Some people say that money can solve all problems, but some say knowledge. Which one do you prefer? Money or knowledge?

Careful reading to

solve

difficult points

large amounts of poisonous chemicals (P22)the amount of things we make and buy (P22)the amount of rubbish (P22)the amount of pollution (P23)amount    n. [C] a collection or mass especially of sth. which cannot be counted: 总

数，数量 (常与不可数名词连用。 )

the amount of: the total sum ofa ... amount of: a … quantity of 1) They didn't deliver the right amount of sand.2) Small amounts of land were used for keeping animals.3) He paid regular amounts of money to a charity.

关于“许多”的用法见下表：

+Cn. +Un. +Cn./Un.

many, many a, a great/good many, a large/great number of, numbers of

much, a great deal of, a large amount of, large amounts of

plenty of, a lot of, lots of, a large quantity of, large quantities of, a mass of, masses of

The world’s population has grown to more than six times what it was in 1800. (P22)目前的世界人口与 1800年相比已经增长到那时的六倍多。Pay attention to the following patterns:… times + as + adj./adv. + as +…… times + the comparative degree of adj./adv. + than +…… times + the + n. (width, size, length, breadth, level, value, velocity…) of +…

亚洲是欧洲的四倍大。

⑴ Asia is four times as large as

Europe.

⑵ Asia is four times larger than

Europe.

⑶ Asia is four times the size of

Europe.

这座新楼是那座旧楼的四倍高。 ⑴ The new building is four times as high

as the old one.

⑵ The new building is four times higher

than the old one.

⑶ The new building is four times the

height of the old one.

1. At a rough estimate, Nigeria is _________ Great Britain. (2005 上

海 )A. three times the size as B. the size three times ofC. three times as the size of D. three times the size of

Quiz I: Multiple choice

2. What a table! I’ve never seen such a thing before. It is ____ it is long. (2005 湖北 ) A. half not as wide as B. wide not as half as C. not half as wide as D. as wide as not half

3. It is reported that the United States uses _____ energy as the whole of Europe. (2004 广西 ) A. as twice B. twice much C. twice much as D. twice as much

4. He did it ______ it took me. (2003 北京 ) A. one-third a time B. one-third timeC. the one-third timeD. one-third the time

5. The house rent is expensive. I’ve got

about half the space I had at home

and I’m paying ________ here.

(2003 上海 )

A. as three times much

B. as much three times

C. much as three times

D. three times as much

wipe sth. out: to destroy sth. completely: 清除

wipe out: to lose control, especially in a vehicle, and have an accident: 失控 (驾车 )

1) Whole villages were wiped out in the fighting.2) One bad harvest could wipe out all of a grower's profits for the previous two years.

I was going too fast and I wiped out on the bend.

3) [T] to become involved with sth., or worried about sth.: 使操心，使不安concern oneself about/for be concerned about/for1) Don't concern yourself. She'll be home soon.2) She concerns herself about her son’s future. = She is concerned about her son’s future.

concern: v.

4) [T] to cause anxiety to someone:The state of my father's health concerns us greatly.It concerns me that he hasn't been in contact.

1) [C or U] a feeling of worry or nervousness, or sth. that worries you: 担心，挂念，关怀

Concern for the safety of the two missing teenagers is growing.There's a lot of public concern about/over dangerous toxins recently found in food.

concern: n.

2) [C or U] sth. that involves or affects you or is important to you: 关心的事 , 重要的事My greatest concern is the economy of China.What were the major concerns of the writers from this period?I don't want to hear about it — it's no concern of mine!be of concern: to be important:The results of the election are of concern to us all.

concerned    adj.1) worried: 担忧的 I'm a bit concerned about/for your he

alth.Aren't you concerned (that) she might tell someone?He was concerned to hear that two of his trusted workers were leaving.Concerned parents have complained about the dangerous playground.

But I do agree that recycling may be the key to helping both sides. (P23) 但有一点我非常赞同：循环利用或许是对两者都有利的关键。1) do auxiliary verb [+ infinitive without to] used to give extra force to the main verb: 对动词进行强调，过去时为 did.

(1) Do shut up, Georgia, and get on with your homework.(2) Do write and let me know how you're getting on.(3) "Can I buy stamps here?" "Well, we do sell them, but we haven't got any at the moment."(4) Cars do cause us some health problems — in fact far more serious ones than mobile phones do. (2005 江西 )

--- How do you deal with the disagreement between the company and the customers?--- The key _________ the problem is to meet the demand ________ by the customers. (2002北京 )A. to solving; making B. to solving; made C. to solve; making D. to solve; made

What if we run out of space? (P25)1) what if: used to ask about sth. that could happen in the future, especially sth. bad:What if the train's late?What if you don't pass your exams?2) rut out to finish, use or sell all of sth., so that there is none left: 用光 run out of sth.I've run out of milk / money / ideas / patience.

If a supply of sth. runs out, all of it has been used or it is completely finished: 被用光The milk has run out.If a document or official agreement runs out, the period of time for which it lasts finishes: 到期My passport runs out next month — I must get it renewed.

The recycling symbol

Buying recycled products

Recycled products

Recycling the bottles

Paper recycling

your paper could become part of a road or race-track

Using low-flow shower heads

Buying energy-efficient light bulbs

replacereplace withwith

• Tourists who are friendly to the

environment when go• Protection of environment • Using the sun’s energy• Fuel such as coal, oil, that was

formed over millions of years from the remains of animals or plants

• Making air, water, soil etc. dirty• Environmental protected

travelling ecotourist

solar energy

eco-friendly

fossil fuel

environmental protection

pollution