Slide1 :
No need to complain ——
Some easy jobs here!!
Slide2 : Unit 10 : Part A 21st Century College English: Book 2 The Next 30 Years THE
NEXT
30 YEARS
New Words : New Words 1. outweigh = out- + weigh
《读写教程 II》: Ex. VI, p. 285
Slide4 : Exercises • Word Building Prefix out- to form:
transitive verbs to be used with:
nouns and intransitive verbs to mean:
Surpassing, beyond, further
Slide5 : Study the words given below. Exercises • Word Building outweigh
outdo
outgrow
outlive
outnumber
outwit surpass in weight, value or importance do more or better than live longer than grow too large for (a space, a container, etc.) surpass in number win or defeat (sb.) by being cleverer or more cunning than him
Slide6 : Now use these words to complete the following sentences. Exercises • Word Building 1. Peter needs new shoes again; he’s already _____ the pair he got in September. outgrown outlived 2. A long life has its drawbacks. My great-grandmother _____ her husband, her friends and both of her children, and in the end had only a dog to keep her company.
Slide7 : Exercises • Word Building 3. In my opinion, the advantages of living in a big city far _____ the disadvantages. outweigh outwits 4. In the story the clever little fox _____ the hunters and escapes from the trap they set. Now use these words to complete the following sentences.
Slide8 : Exercises • Word Building 5. In the English Department of our university, female students ______ males 2 to 1. outnumber outdo 6. Germany and Japan have managed to _____ the United States in many economic areas. Now use these words to complete the following sentences.
New Words : New Words 2. proportion [U;C] The drawing isn’t in ~ .
The ~ of the man to the house is not correct.
New Words : New Words 3. biotechnology
= biology + technology
4. breakthrough —— break through
a. to force a way through [I;T]
e.g. At last the sun broke through (the clouds).
b. to make a new advance or discovery [I]
e.g. Scientists hope to break through soon in their
search for a cure for this type of cancer.
New Words : New Words 5. enable = en- + able 《读写教程 II》: Ex. V, p. 284
Slide12 : Exercises • Word Building Prefix en- ( or em- before b and p) to mean:
give or cause to be to be added to:
nouns or adjectives
Slide13 : Form verbs by adding en- or em- to the words below. Exercises • Word Building danger dear
force joy
large power
rage rich
sure title endanger endear enforce enlarge empower enrage enrich ensure entitle enjoy
Slide14 : Exercises • Word Building 1. It’s a good idea to _____ the soil with fertilizer before planting. enrich enlarged 2. That’s a great photograph. You should have it _____ and display it. Now complete the following sentences with some of the words you’ve just formed.
Slide15 : Now complete the following sentences with some of the words you’ve just formed. Exercises • Word Building 3. When the star player was disqualified, the security guards had a hard time controlling the _____ spectators. enraged ensure 4. Airlines do everything they can to _____ their passengers’ safety.
Slide16 : Now complete the following sentences with some of the words you’ve just formed. Exercises • Word Building 5. His book is _____ The Road Ahead, and it gives a vision of what the future holds for us. entitled endangered 6. Though giant pandas may be preserved, hundreds of other _____ species will almost certainly perish during the next 50 years.
Slide17 : Now complete the following sentences with some of the words you’ve just formed. Exercises • Word Building 7. She has a gentle sense of humor that _____ her to her students. endears enforce 8. The proposed regulations aren’t practical — there would be no way to _____.
New Words : New Words 6. colonize = colony + -ize, realize = real + -ize
(-ise BrE)
-ize (-ise):
a. to cause to be more …; make …
e.g. to modernize our country
= make our country (more) modern
b. to become (a) …
e.g. The liquid crystallized.
= turned into crystals
nouns/adj. + -ize/-ise = vt.
-ize/-ise —— -ization/-isation
Slide19 :
Grammar Focus
Ex. VIII, pp286
As : The conjunction as can be used to refer back to what has just been said in order to say that it also applies to someone or something else that follows.
—— Non-Restrictive Attributive Clauses
e.g.
David works hard, as do my brothers. As used as a conj. to mean “and so too”.
More to learn As
As : As The 21st century will be a century of fantastic achievements, but it may be accompanied by horrors on an unheard-of scale, as was the 20th century with its world wars and atomic bombs.
accompanied …it (the 21st century ) may experience
great disasters unknown in history, just as the 20th century experienced the world wars and atomic bombs.
As : More to do Drill:
John likes classical music, _____ (他女朋友也喜欢古典音乐).
He believed, _____ (和全家一样), that the King was their supreme lord.
She traveled a great deal, _____ (她的大多数朋友也是这样). as does his girl friend as did the family as did most of her friends As
Slide23 : 1. Harry is unusually tall, … (both his parents and grandparents).
2. Some people are worried that the Moon will be polluted by human settlement, … (the Earth/ overpopulation). VIII. Complete the following sentences according to the model, using the words given in parentheses. as were both his parents and grandparents. as is the Earth by overpopulation. Exercises • Structure 《读写教程 II》: Ex. VIII, p. 286
Slide24 : 3. Some people say that in the next 30 years the population of Antarctica and the Polar Regions will rise steadily, … (the population/ the world’s deserts).
4. Asia and Europe will be linked by superhighways, … (Europe/ Africa/ a Mediterranean tunnel). as will the population of the world’s deserts. as will Europe and Africa by a Mediterranean tunnel. Exercises • Structure VIII. Complete the following sentences according to the model, using the words given in parentheses.
Slide25 : 5. His third book was a best seller in the US, … (his first two). as were his first two. Exercises • Structure X. Complete each of the following sentence, using a conj. + V-ed clause.
Reading Skill : Reading Skill When you’re reading a text in order to find specific information, scanning it first to get an idea of the way the text is organized can be a big help. Visual clues — things like numbers and dates; lists, sections and subtitles; dialogs, quotations and recurring phrases — are easy to see in a text, and can often give us a good picture of its organization and content before we start reading. Pay conscious attention to visual clues before you read can improve your comprehension and make you reading more efficient.
Scanning for Organization
Reading Skill (2) : Reading Skill (2) Text A
Introduction (paras 1 ~ 2)
Body (paras 3 ~ 18)
1. Benefits
i. Rising Living Standards
ii. Living to Be 200 Years Old
iii. The Global Village
iv. Humans Colonize Space
2. Future Dangers and Problems
III. Conclusion (para 19)
Slide28 : Answer the question: 1. When was the article written? Key: In 1997. Comprehension
Introduction : Introduction 1. The problems and dangers now facing the world are, in my judgment, far outweighed by solutions and opportunities.
in one’s judgment in one’s opinion
e.g.
In my judgment, we should do it.
In the parents’ judgment, children should be more
independent.
Slide30 : 1. The problems and dangers now facing the world are, in my judgment, far outweighed by solutions and opportunities. (para. 2)
In my opinion, though the world is faced with
problems and dangers, what is much more important is that there are solutions to these problems
and dangers as will as opportunities for solving them.
Introduction : Introduction 2. It is true enough that humans have an extraordinary
genius for making mistakes, but it is balanced by our
strong tendency to notice and correct them. (para. 2)
genius: n. special quality
balance: a) n. —— b) v.
i. [I;T] to (cause to) be steady and keep in balance, esp.
in a difficult position
e.g. The dog balanced a ball on its nose.
ii. [I;T] to (cause to) have or be given equal in weight,
amount, importance, or influence
e.g. The weigh here balances the weigh there.
More to learn balanced adj.
Slide32 : 2. It is true enough that humans have an extraordinary
genius for making mistakes, but it is balanced by our
strong tendency to notice and correct them. (para. 2)
tendency: inclination; way a person or thing tends to
be or behave
e.g.
Prices are showing an upward tendency.
The car has a tendency to slide to the left.
Slide33 : 2. It is true enough that humans have an extraordinary
genius for making mistakes, but it is balanced by our
strong tendency to notice and correct them. (para. 2)
It is true, indeed, that humans are especially
capable of making mistakes, but it is also
true that they always tend to see the mistakes and
correct them.
Slide34 : 2. What does the author mean by the statement, “It is true enough that humans have an extraordinary genius for making mistakes”? Answer the following questions: Key: He means that the history of humanity is characterized by a lot of wrong thinking, wrong actions, miscalculations, etc. Comprehension
Rising Living Standards : Rising Living Standards The trends indicate that humans will be better off economically 30 years from now than they are today.
be better of be in comfortable economic circumstance;
have more money than before
e.g.
She was much better off after she got a second job.
In many western countries the better-off people live in the suburbs, while the poor live in the inner city.
Drill
Make a sentence with “be better of”.
Rising Living Standards : Rising Living Standards 2. Expertise will flow easily and cheaply to places where it is needed.
Special skill and knowledge will be available
conveniently and at low cost to people in different places who need it.
Slide37 : Text-related information
Rising Living Standards : Rising Living Standards 4. New materials will permit improvements in products ranging from refrigerators to automobiles;… (para. 5)
Permit vt. make it possible to happen
e.g.
I’ll come in June if my health permits.
The party will be held in the garden, weather
permitting.
Rising Living Standards : Rising Living Standards 4. New materials will permit improvements in products ranging from refrigerators to automobiles;… (para. 5)
range from … to … vary from … to …
e.g.
The students’ ages in this class range from 18 to 20.
Translate
Prices of TV sets range from some 2,000 to 10,000 yuan.
Key:
电视价格从两千元到一万元不等（各种价钱都有）。
Rising Living Standards : Rising Living Standards 4. New materials will permit improvements in products ranging from refrigerators to automobiles;… (para. 5)
New materials will make it possible to
affect improvements in a large variety of
products including refrigerators and automobiles;…
Slide41 : 3. What specific improvements does the writer expect in the standard of living in the next 30 years? Answer the following questions: Key: Better housing conditions; more efficient work; an improved flow of information; more productive agriculture; and everyday products that last longer. Comprehension
Slide42 : 4. How, according to the author, will genetic engineering help raise people's standard of living? Answer the following questions: Key: By making agriculture more productive, there will be more food available. Comprehension
Living to Be 200 Years Old : Living to Be 200 Years Old Rapid progress in biotechnology suggests that
breakthroughs may occur that will enable medical science to slow or reverse the aging process.
rapid progress: —— Subject
suggests: —— Verb
that breakthroughs may occur: Objective clause
“that will enable medical science to slow or reverse the
aging process” Attributive clause to breakthroughs
It is placed at the end of the sentence in order
to achieve end weight. Such clauses are
known as the split attributive in grammar.
Living to Be 200 Years Old : Living to Be 200 Years Old Rapid progress in biotechnology suggests that
breakthroughs may occur that will enable medical
science to slow or reverse the aging process.
Normal order:
Rapid progress in biotechnology suggests that
breakthroughs that will enable medical science to slow or reverse the aging process may occur.
Rapid progress in biotechnology implies
that major new developments may be made
to make it possible for medical science to enable people
to get old more slowly or even become younger.
Living to Be 200 Years Old : Living to Be 200 Years Old 2. Happily, increasingly sophisticated medicines and devices to assist the ill and disabled will become available in the coming decades.
Luckily, more and more advanced medicines
and devices which provide help for the ill and disabled people will be invented in the next few decades.
Slide46 : 5. Why does the author expect life expectancy to rise? Answer the following questions: Key: He considers recent rapid progress in biotechnology evidence that further dramatic breakthroughs are forthcoming. Comprehension
Slide47 : 6. What drawback(s) of increased life expectancy does the author mention? Answer the following questions: Key:
There will be more disabled people in the population.
Another possible drawback is the notion that “increasing numbers of people will be able to work and support themselves for years beyond the typical retirement age of 65” – it isn't quite clear whether the author considers this a plus or a drawback. Comprehension
The Global Village : The Global Village A global culture will develop rapidly and take its pick of clothing styles, foods, drinks, games, sports and customs from countries everywhere.
take one’s pick of choose as one wants
e.g. Take your pick. Choose whichever one of the
three styles you like.
With so many houses for sale, a buyer with
money can take his/her pick.
Fill in the blank:
The bus was fairly empty so we _____ (可以挑座位坐).
could take our pick of seats
Slide49 : 7. What does the author's definition of “the global village” seem to be? Answer the following questions: Comprehension Key: He seems to consider it mainly in terms of travel and shopping: —— a world where it's very easy to get from one country to another, and where exotic products and recreational activities are easily available to everyone.
Humans Colonize Space : Humans Colonize Space We will push the frontiers of human settlement in all directions. (para. 13)
We will expand the areas for human
existence wherever possible.
Humans Colonize Space : Humans Colonize Space 2. The forbidding Himalayas may experience a
development boom, including, perhaps, luxury hotels
for tourists.
boom n. (a period of) rapid growth or increase
e.g. There was a baby boom in Britain and the United
States after World War II.
They have passed through their most difficult
time and now they can enjoy their business boom.
Humans Colonize Space : Humans Colonize Space The forbidding Himalayas may experience a development boom, including, perhaps, luxury hotels for tourists.
The unfriendly Himalaya Mountains may
undergo a period of rapid development,
possibly also the developed of expensive hotels for
tourists.
Humans Colonize Space : Humans Colonize Space 3. The pace of ocean development will speed up as seaside nations increasingly assert their ownership of the resources off their shores. (para. 14)
off prep. in or on the sea and quite close to the coast of
e.g. Taiwan and Hainan are the two islands off the
mainland of China.
The new oil field is located two miles off shore.
Do you remember?
By September, waters off Northern California were rough 17 degrees warmer than normal. (Text A, Unit 9)
Humans Colonize Space : Humans Colonize Space 3. The pace of ocean development will speed up as seaside nations increasingly assert their ownership of the resources off their shores. (para. 14)
Ocean development will be quickened as
the coastal nations more and more claim their rights to the resources in waters off their coasts.
Slide55 : 8. When he says, “we will push the frontiers of human settlement in all directions,” what directions is he referring to? Answer the following questions: Key: He's referring to outer space and to previously uninhabited/inaccessible areas of the Earth, including the oceans. Comprehension
Future Dangers and Problems : Future Dangers and Problems The biggest single cloud hanging over the next 30 years is violence —— crime, terrorism, and war. (para. 16)
hang over ??
remain in the air, be placed above or on top of (sth.)
be likely to happen soon; surround (sth.) as with fear, doubt, etc.
the one biggest serious problem facing us
over the next 30 years
Future Dangers and Problems : Future Dangers and Problems 2. The Cold War is over, but not wars on a small scale
must be expected.
Cold War
Go ahead!
Slide58 : Text-related information
Future Dangers and Problems : Future Dangers and Problems 2. The Cold War is over, but not wars on a small
scale must be expected.
on a small/ large scale of a small/ large size; to a small/ large extent (especially in relation to other things or to what is usual)
e.g. My parents used to entertain friends on a
small scale.
The island grows oranges on a large scale.
…but small conflicts or fights will
certainly occur.
Future Dangers and Problems : Future Dangers and Problems 3. Successful programs for reducing air pollution demonstrated that environmental destruction is not irreversible, but the job will take great effort on a global scale. (para. 17)
…it is not impossible to restore the
polluted environment to its previous condition
Future Dangers and Problems : Future Dangers and Problems 4. Though a number of precious animal species such as pandas may be preserved, thousands upon thousands of others will almost certainly perish during the next 50 years as their habitats shrink. (para. 18)
shrink vi. & vt. (cause to) become smaller
e.g.
The world’s forests are shrinking at an alarming rate.
The economy was shrinking instead of expanding after the new President came into power.
The hot water shrank my woolen sweater.
Future Dangers and Problems : Future Dangers and Problems 4. Though a number of precious animal species such as pandas may be preserved, thousands upon thousands of others will almost certainly perish during the next 50 years as their habitats shrink. (para. 18)
… lots and lots of other species of animals
will inevitably become extinct during the next 50 years when their natural homes become smaller and smaller.
Slide63 : 9. What does the writer believe will be our biggest problems in the next 30 years? Answer the following questions: Key: Violence and environmental devastation
(with the underlying problem of overpopulation). Comprehension
Conclusion : Conclusion What does the writer mean by the last sentence? “We can at least comfort ourselves with the realization that it will probably be the best period of history we humans have ever experienced.”
Key: Despite the problems he foresees, human civilization is making genuine progress. (Implied in this, of course, is the view that “genuine progress” means more goods, more production and more expansion, which is an at least arguable view of progress.)
Slide65 : Listening Let’s do some listening for a change!
There is a conversation for you. Listen to it twice and answer the questions on the basis of what you hear.
Questions : Questions Who does Valerie want to buy a gift for, and
for what occasion?
2. Who (according to the salesperson) are cyberbooks especially good for?
3. What do you connect a cyberbook to? How many books does it hold?
What does a cyberbook look like?
5. How does the deluxe model differ from the basic model?
Slide67 : Now listen to the conversation and answer the questions on the basis of what you hear. Listening Answer Questions
Slide68 : Listening Answer Questions 1. Who does Valerie want to buy a gift for, and for what occasion? A birthday gift for her roommate. 2. Who (according to the salesperson) are cyberbooks especially good for? People who love to read.
Slide69 : 3. What do you connect a cyberbook to? How many books does it hold? To the Internet. It holds 700 books. 4. What does a cyberbook look like? Like an ordinary book. Answer Questions Listening
Slide70 : 5. How does the deluxe model differ from the basic model? It comes with a built-in dictionary. Answer Questions Script Listening
Slide71 : Salesperson: Good afternoon! How can I help you?
Valerie: I’m looking for a birthday present for my roommate. I thought she might like a book, but there are so many to choose from! I can’t make up my mind.
Salesperson: Well, how about a cyberbook?
Valerie: A cyberbook? What’s that?
Salesperson: It’s a really wonderful new technological breakthrough for people who love to read. All you have to do is connect it to the Internet and take your pick from world literature. It holds up to 700 books at a time, and you can change them whenever your like.
Valerie: That’s fantastic! But what does it look like? I don’t want to buy her anything big and ugly. Salesperson: It looks just like an ordinary book. It even has pages that turn. The table of contents automatically lists all the books you currently have stored in it. All you do is click on the title of the one you want to read, and the test appears on the pages. If you get bored with one book, you just click another title, and there it is. The deluxe model comes with a built-in dictionary, so you can look up any words you don’t know; and you can also get a multi-language translator if you want help reading foreign literature.
Valerie: Amazing! I’ll take two.
Salesperson: Excellent! Now if you’ll just enter your account number. And thank you for shopping at the virtual bookstore!
21st Century College English: Book 2 : Unit 10 : Part B Our Forecasts
30 Years Later 21st Century College English: Book 2
Slide73 : XIV.
Before you read Text B, quickly scan it for answers to these questions, to get an idea of how the text is organized. Then try your hand at the exercise that follows the text. 《读写教程 II》: Ex. XIV, p. 291 Reading Skill Scanning for Organization
Slide74 : 1. Text B is divided into _____ main sections; one of them is divided into _____.
A. two/ seven
B. three/ seven
C. seven/ sixteen 1. Text B is divided into _____ main sections; one of them is divided into _____.
A. two/ seven
B. three/ seven
C. seven/ sixteen Reading Skill
Slide75 : 2. The longest of the main sections looks like _____.
A. an introduction
B. a list with added remarks
C. the author’s conclusions 2. The longest of the main sections looks like _____.
A. an introduction
B. a list with added remarks
C. the author’s conclusions Reading Skill
Slide76 : 3. The text includes a lot of _____.
A. dates from the past
B. dates in the future
C. dialogs 3. The text includes a lot of _____.
A. dates from the past
B. dates in the future
C. dialogs Reading Skill
Slide77 : 4. Most of the subtitles in the text refer to _____.
A. geographical regions
B. fields of human activity
C. areas of scientific specialization 4. Most of the subtitles in the text refer to _____.
A. geographical regions
B. fields of human activity
C. areas of scientific specialization Reading Skill
Slide78 : 5. The numbered sentences in the text are all _____.
A. in the past tense
B. in the future tense
C. questions 5. The numbered sentences in the text are all _____.
A. in the past tense
B. in the future tense
C. questions Reading Skill
Slide79 : 6. The words RIGHT and WRONG recur in the text. They appear to express the author’s _____.
A. personal opinions
B. sense of humor
C. knowledge of the facts 6. The words RIGHT and WRONG recur in the text. They appear to express the author’s _____.
A. personal opinions
B. sense of humor
C. knowledge of the facts Reading Skill
Slide80 : Comprehension Check Answer the following questions: 1. When was this article written? Key:
In 1997 — probably February 1997. (para.2) 《读写教程 II》: Ex. XV, p. 298
Slide81 : Comprehension Check 2. Why did the author decide to evaluate the forecasts made in The futurist 30 years ago? Answer the following questions: Key: To see whether the magazine is any good at predicting the future or not. (para. 1&2)
Slide82 : Comprehension Check 3. Out of the forecasts mentioned, how many does the author judge right? Answer the following questions: Key: Ten. (Predictions 1, 3, 4, 5, 8, 10,11,12, 14, and 16.)
Slide83 : Comprehension Check 4. Why does the author judge the forecast of landings on other planets wrong? Answer the following questions: Key: Because no manned spacecraft have landed on other planets, only unmanned probes. (para. 6)
Slide84 : Comprehension Check 5. What, according to the author, has prevented transplants of human body organs from becoming a more common medical practice? Answer the following questions: Key: A shortage of usable organs. (para. 10)
Slide85 : Comprehension Check 6. Why, according to the author, haven’t private passenger vehicles been barred from most city centers? Answer the following questions: Key: Because traffic jams and the high cost of parking have made city driving so unattractive that no formal regulations have been necessary in most cities. (para.14)
Slide86 : Comprehension Check 7. What new applications of lasers does the text mention? Answer the following questions: Key: Reading bar codes at supermarkets, cutting cloth and treating eye diseases. (para. 22)
Slide87 : Comprehension Check 8. Why has the term “teaching machines” become obsolete? Answer the following questions: Key: Because it was so offensive to teachers. (para. 28)
Slide88 : Comprehension Check 9. Why didn’t desalinated seawater come into widespread use in agriculture? Answer the following questions: Key: Because the soaring energy prices made desalination more costly than it already was. (para. 32)
Slide89 : Comprehension Check 10. What is the author’s opinion of the forecasts as a whole? Answer the following questions: Key: He considers them fairly accurate, particularly when considered in general terms. (para. 34)
New words : New words foresee = fore- + see
evaluate, evaluation
unmanned = un + man –ed
mysterious = mystery + -ous
enlarge = en- + large
New words : New words bar n.
1. a piece of solid material that is longer than it is wide
e.g. a ~ of soap/chocolate
Then, what are bar codes?
Bar code : Bar code
Bar : Bar bar n.
2. a length of wood or metal across a door, gate, or window to keep it shut or prevent movement through it
e.g.
Thee were ~s across the windows of the prison.
His bad English is a ~ to his getting a job.
( = prevents him from getting a job) bar v. 1. to prevent from entering; keep out
2. to forbid; prohibit
Text B : Text B Para.1
Are we as good as we like to think, or as bad as critics claim, when it comes to foreseeing what lies ahead?
when it comes to … on the subject of; concerning
e.g. Joe is not good at sports, but when it comes to arithmetic he is the best in the class.
Doing your homework is a sure way to improve your text scores, and this is especially when it comes to classroom tests.
…speaking of predicting what will
happen in the years to come
Slide95 : Medicine
The implanting of artificial organs will be a common practice by 1986. (para. 9)
a common practice: very common
practice —— a way of doing sth.; a thing done regularly
2. Transplants are now a standard part of medical practice and would be even more common except for the shortage of usable organs.
practice: business of a doctor; medical profession
except for…if it were not for the lack of human organs which can be used in transplanting
Slide96 : 2. Artificial hearts are used as temporary substitutes for failing natural hearts but have not proved as reliable as natural hearts.
substitute: n. (for) a person or thing acting or used in place of another
e.g. The leading singer couldn’t appear, and her ~
clearly didn’t know the role very well.
failing: weak; not effective; likely to become useless
…are used to replace human hearts that do
not function properly on a short-time basis
Slide97 : Cities
Laws rarely barred cars from city cores, but traffic jams and high parking charges made the centers so unattractive to drivers that legal restrictions were unnecessary.
Laws usually do not prohibit cars from
entering city centers, but because of the
slow-moving traffic and high parking fees, drivers
would rather avoid entering city centers, which make it
unnecessary to enforce such laws on them.
Slide98 : Economics
Translate the following into Chinese:
Credit cards will virtually eliminate currency by 1986. (para. 17)
2. …in terms of the large sums, cash has been losing out fast to checks and credit cards. (para. 18)
到了1986年后信用卡将基本消除货币。 就大笔金额而言，现金已在迅速被支票和信用卡所取代。
Slide99 : Science and technology
What once was an exotic and mysterious force is now reading bar codes …
a force which was once considered
fascinating and mysterious (referring to laser in the text) …
Slide100 : 2. Meanwhile, everyone complains about weather
forecasters, but — far more than in the past — they
sometimes know what they’re talking about.
know what one is talking about:
understand a subject because of one’s experience
they (weather forecasters) have the
expertise to give fairly accurate forecasts on many occasions
Translate into Chinese:
他们有时预报得还挺准。
Slide101 : Communications
Doing so enables people to carry on various domestic activities, such as tending for children, while making electronic sales calls and feeding data to the company headquarters.
By working at home, it is possible for
people to do various household duties, such as looking after children, while at the same time making business calls on customers and sending in reports to the company headquarters all by means of a computer.
Slide102 : Para. 34
Looking at the February 1967 issue as a whole, the forecasters seem to have given a fairly good account of themselves.
account: n. a written or spoken report; description
…the forecasters seem to have made fairly
accurate predictions
Translate into Chinese:
预测者们似乎干得相当出色
Slide103 : Now, get ready for some
Dictation!
Slide104 : Dictation
You are going to hear 5 sentences. Each will
be read three times. Write down the sentences according to the dictation. 1. 2. 3. 4. 5.
Slide105 : 1. The problems and dangers now facing the world are, in my judgment, far outweighed by solutions and opportunities.
2. New materials will permit improvements in products ranging from refrigerators to automobiles.
Spaceplanes should be in service within the next 20 years, making flights from Tokyo to New York in only a couple of hours.
4. We will push the frontiers of human settlement in all directions.
5. The Cold War is over, but hot wars on a smaller scale must be expected. Key to Dictation