M5 Unit 2 The environment
Welcome and Reading
学习目标：
1. 培养学生学习和运用词汇的能力
2. 通过练习巩固所学词汇和句式
学习要求：
1． 课前识记文中生词表中的重点词汇和短语
2． 通过自学和合作探究，提高分析句子的能力
3． 通过练习检测自己对词汇和句子的掌握情况，查漏补缺，进一步提高解题能力
课前学习：
A. 词形变换:
1. economy(n.)--- ______________(adj.) 2. arrive (v.) ---_________________(n.)
3. reponsible (adj.)--- ___________(n.) 4. poison (n.) --- ______________(adj.)
5. industrial(adj.) --- ___________ (n.) 6. destroy (v.) --- _____________ (n.)
7.benefit (n.) --- ________________ (adj.) 8.effect (n.) --- ______________(adj.)
9.environment(n.)---___________ (adj.) 10. preserve (v.)---___________ (n.)
Keys: 1. economic 2. arrival 3. responsibility 4. poisonous 5. industry 6. destruction 7. beneficial 8. effective 9. environmental 10. preservation
B. 短语互译:
1. 另外__________________________
2. 扫除;消灭______________________
3. 对有持久影响___________________
4. 削减__________________________
5. 大量__________________________
6. 对…关心______________________
7. 自由发言______________________
8. 逃避责任______________________
9. 经济发展______________________
10. 愿意做某事____________________
11. recycled materials_________________
12. side by side_____________________
13. agree with sb. ___________________
14. cut down_______________________
15. ask around______________________
16. as long as_____________________
17. see …as _______________________
18. be smart about___________________
19. run out (of) ___________________
20. take responsibilities for_____________
Keys:
1. in addition (to)
2. wipe out
3. have a lasting effect on
4. cut back on
5. a large amount of
6. be concerned about
7. open the floor (for)
8. hide from their responsibilities
9. economic development
10. be willing to
11. 循环材料
12. 肩并肩
13. 同意某人
14. 砍倒
15. 四处打听
16. 只要
17. 将…视为
18. 对…精明
19. 用完
20. 对…负责任
C．选择方框中词组的适当形式填空
in addition, ask around, side by side, pour into, be bad for, be concerned about,
large amounts of, open the floor, clean up, run out of, wipe out, see…as
1. There are fine meals to be had if you ask around.
2. The two children are walking side by side.
3. TV presenter, thank you. Let’s open the floor to questions.
4. After his first novel was published, he was seen as one of the most outstanding new authors of his generation.
5. It shows your friends haven't stopped being concerned about you.
6. We are always ready to wipe out any enemy who dares to attack.
7. The waiter hurried to clean up the pieces of the broken plates.
8. More and more waste and poison are poured into the water, the soil and the air.
9. In addition, my visits will encourage people working on the projects and draw local people’s attention to the situation.
10. Large amounts of money were spent on the bridge.
课堂学习：
Key sentences:
1. With me is Mr Lin Shuuiqing, from the Society for Environmental Preservation, and Mr Qian Liwei, an economist.（page 22, lines 5-6）与我一起的是来自环境保护协会的林水清先生和经济学家钱利伟先生。
★这是一个完全倒装句。这个句子由于主语较长，为避免句子头重脚轻，往往把介词短语或其他成分提到句首。这种句子的谓语多为连系动词以及lie, stand, sit, fly, come, go, run, rush等动词。
翻译：
宴会后在广场上燃放了烟花。
______________________________________________________________________
场地上坐着一群年轻人在弹吉他。
______________________________________________________________________
山顶上有一个气象站。
_____________________________________________________________________
Keys:
After the banquet came a firework display in the square.
Seated on the ground were a group of young men playing guitar.
At the top of the hill stands a weather station.
2.Pollution is so bad that many rivers are full of chemicals which flow into the sea and kill sea creatures.（page 22, lines 14-15）污染情形如此严重，致使许多河流饱含化学物质，河水流入海洋，杀死海洋生物。
★ 辨析：so…that, such…that
1）so…that与such…that都表示“如此……以致……”。它们用法的区别在于搭配不同：so是副词，所以后接形容词或副词，而such是形容词，所以后接名词。例如：
2）但如名词前有表数量的many，few，much，little修饰时，则要求用so。即：so＋many (few, much, little)＋名词＋that从句
用so…that…和such…that…填空
1. He improved his English _______greatly ________ he began to talk freely with foreigners.
2. It was ________ hot a day ________ they went swimming.
3. Pingpong is ________ a popular game ________ people all over the world play it.
4. He had _______little education _______it was not easy for him to solve the embarrassing problem.
5. He made ______a lot of mistakes in his maths exercises ______he had to do them all over.
6. I have had many ________ falls ________ I cannot rise to my feet again.
Keys:
1. so; that 2. so; that 3. such; that 4. so; that 5. such; that 6. such; that
3.The world’s population has grown to more than six times what it was in 1800. 目前世界人口与1800年相比已经增长到那时的六倍多。
★倍数的常见表示法：
1）A is + 倍数+比较级+than+ B
Asia is four times larger than Europe.
2) A is +倍数+as+原级+as+B
Asia is four times as large as Europe.
3) A is +倍数+ the size (length/width/height) of + B
Asia is four times the size of Europe.
相关高考试题：
1．At a rough estimate, Nigeria is _________Great Britain. （05上海）
A. three times the size as B. the size three times of
C. three times as the size of D. three times the size of
2． What a table! I’ve never seen such a thing before. It is ____it is long. （05 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 re ported that the United States uses _____ energy as the whole of Europe. （04广西）
A.as twice B. twice much
C. twice much as D. twice as much
4. He did it ______ it took me. （03北京）
A. one-third a time B. one-third time
C. the one-third time D. one-third the time
Keys: DCDD
4.It is obvious that you are very concerned about the present situation of our environment.（page 23, lines 29-30）显然，你对我们的环境现状很担忧。
★It is obvious that…是形式主语句型，it作形式上的主语，that引导的主语从句是真正的主语。形容词obvious, true, natural, surprising, good, wonderful, funny, possible, likely, certain, probable, quite clear, unusual, etc.常用于此句型中。
翻译：
他肯定会来参加讨论。
It is certain (that) he will come to the discussion.
她大概会在最后时刻改变主意。
It is probable that she might change her mind at the last minute.
他在二十天内写完了一本小说, 真令人吃惊。
It was surprising that he finished writing a novel in only twenty days.
说也奇怪，无人知道他去哪儿了。
It is strange that nobody knows where he has gone.
巩固练习：
⑴．单项选择:
1. Ten years ago the population of our village was B that of theirs. (2008陕西卷)
A. as twice large as B. twice as large as C. twice as much as D. as twice much as
2. Just in front of our house B with a history of 1,000 years. (2005上海春)
A. does a tall tree stand B. stands a tall tree C. a tall tree is standing D. a tall tree stands
3. The destruction of the World Trade Center has put US economy in a difficult C .
A. occasion B. case C. situation D. background
4. What will the world use for power when it A oil?
A. has run out of B. is running out of C. run out of D. ran out of
5. The government is trying to A drug trafficking.
A. wipe out B. copy out C. clean out D. wipe off
6. He is not a bit mean; instead he is always D to help anyone in trouble.
A. possible B. probable C. likely D. willing
7. The government has announced plans to cut back B defence spending B 10% next year.
A. upon; to B. on; by C. of; by D. for; to
8. -What do you suggest?
-My suggestion is that Andrew D abroad and he stay here until the project completes.
A. send B. should not send C. be sent D. not be sent
9. I find this treatment is very D to my health.
A. willing B. illegal C. serious D. beneficial
10. At the meeting they discussed different A to the study of math.
A. approaches B. means C. methods D. ways
11. It is ___B___ that the radio is broken, for the sound given out is not B .
A. sure; pure B. obvious; clear C. clear; aloud D. certain; loudly
12. The dictionary still A where I A it a moment ago.
A. lies; laid B lied; lay C laid; laid D lies; lay
13. The English spoken in the United States is only B different from that spoken in England.
A. recently B. slightly C. mainly D. properly
14. The business D from having one office to having twelve.
A. expands B. will expand C. is expanding D. has expanded
15. We were in __ D__ when we left that we forgot the airline tickets. （2003 上海高考）
A. a rush so anxious B. a such anxious rush
C. so an anxious rush D. such an anxious rush
课后学习：
1. 复习巩固本课时讲义重要内容, 完成课本练习P4-5 D、E
2. 预习本单元Word Power相关内容
学习感悟：
1. 我学会了：________________________________________________________________
2. 我的困惑是(还有哪些不理解的地方)：_________________________________________