1. Language Unit 7

2. 教学目标： 1. 掌握 Why—Because, Because of 的用法 及区别。 2. 掌握 as + 形容词 / 副词的原级 + as, not as\so + 形容词 / 副词的原级 + as 的用法及 区别。 3. 掌握 like （ prep ）, the same as, different from 的用法及区别。 教学难点： because 与 because of ； not as\so … as 可以同形容词副词的比较级转换。

3. Why do we use a lot of chemicals? Because they are so useful. Our atmosphere is changing because we are polluting it with chemicals.

4. A Why and because

5. 1 ） He was late for school yesterday, he got up late. He was late for school _________ he got up late. 2) We should stop pollution because we need a clear world. ____ _____ ____ _____ pollution? because Why should we stop 归纳： because 是用来说明 ___________ 。常用 来回答由疑问词 _____ 开头的特殊疑问句。 why 原因或理由

6. 归纳： because 后接 _____ ，是个连词。 Because of 后接 _______________. 1) Jessica was late for school today ______ the heavy rain. A. because B. because of C. why D. as 2 ） Jessica was late for school today ______ it rained heavily. A. because B. because of C. why D. as 句子 名词 / 名词短语

7. Common errors 1. We took a taxi because of we were late. 2. I did not buy it because the high price. of

8. Oral Practice Pair work A1 Example: S1 Why should we use baskets for shopping? S2 Because plastic bags cause pollution.

9. Why should we walk as much as possible? Because cars and buses pollute the air. Why should we not throw away tins and glass bottles? Because they can be recycled.

10. Why should we use solar-powered calculators? Because batteries cause pollution. Why should we have shower instead of baths? Because a shower uses less water than a bath.

11. Why should we save electricity? Because making it usually causes air pollution. Why should we not pollute our planet? Because we only have one Earth.

12. Draw a conclusion.

13. B as…. as not as / so …..as

14. 归纳： 1. as …….. as ……. 2. not as / so ………as…… 1) The new swimming pool is ___ the old one. A. so big as B. as bigger as C. biger than D. as big as 2) She didn’t do her homework ___ Meimei. A. as careful as B. more careful than C. as carefully as D. as care as 和 … 一样 和 … 不一样 + 原级

15. The Browns

16. The Greens

17. as many ……………..... as as much ………………. as … 与 …. 的数量一样多 + 可数名词 + 不可数名词 1. 我已经学的歌曲和他学的一样多。 I have learnt ____ _____ _____ ____ he has. 2. 我女儿吃得和她姐姐一样多。 My daughter ate _____ ____ ____ ____ her sister. as many songs as as much food as

18. Common errors 1 History is interesting as geography. 2 Our flat doesn’t have as much space than yours. 3 My CD was as cheaper as yours. as

19. 1) A cat is smaller than a dog. = A cat ____ ____ ____ ____ a dog. 2) Earth is not as cold as the moon. = Earth is ______ _______ the moon. 3) He gets to school earlier than me every day. = I _____ get to school ____ _____ ___ him. isn’t as big as don’t as early as warm er than

20. C comparing things with like, the same as, different from

21. 1) His new apartment ____ his old one. A. looks like B. looks the same to C. is the same to D. is the same from 2) The food in my country is quite ____ that here. It is very hot, but yours is very sweet. A. the same as B. different from C. like D. the similar to like 某些方面相似 look like 看起来像， be like 像 the same as 完全相同 different from 不同，不相像 三者常与连系动词 be, feel, look, seem, smell, sound, taste 连用

22. Common errors 1. You look nearly the same like Jane. 2. That dog is completely different to ours. as from

23. different from like different from

24. the same as different from like

25. 选择题： 1. Michael doesn’t have as ____ money as Jack. A. many B. much C. more D. most 2. She didn’t do her homework ____ Meimei. A. so carefully as B. so carefully than C. as careful as D. more careful than 3. The new swimming pool is ___ the old one. A. so big as B. as bigger as C. big than D. as big as

26. 4. Sally is quite ___ Lily. She is lazy, but Lily works very hard. A. the same as B. like C. as well as D. different from 5. I needn’t go to school on foot, ___ my father drives me there. A. and B. so C. because D. or 6. She wants to be a nurse ___ her mother. A. like B. as C, to D. from 7. ---____ didn’t you come to school yesterday? ---Because I was ill. A. How B. Why C. When D. What

27. 8. He came to school late this morning ____ his bike was broken on the way. A. as B. because C. when D. while 9.Our new school is ____ the old one. A. same as B. different as C. different from D. different than 完成句子： 1. 因为她太忙了，所以没有去看电影。 She didn’t go to see the film ________ she was _____ ______. 2. 爸爸做家务不如妈妈多。 Father doesn’t do _____ _____ homework _____ mother. because too busy as much

28. 3. 这故事听起来和那个一样。 The story sounds ___ ____ ____ that one. 4. 我认为艺术没有数学重要。 I don’t think art ____ _____ _____ ____ maths. 5. 我们学校和他们的学校不同。 Our school ____ _____ _____ ______. 6. 他长大要像他的父亲一样当一名医生。 He wants ____ ____ a doctor _____ his father when he grows up. 7. 我们要尽可能多准备一些书。 We need _____ prepare ____ ____ books _____ possible. the same as as as important is be different from is theirs to be like to as many as

29. English Weekly Edition 21 P2 语法梳理 1. Why didn’t, take 2. because of 3. B 1. not as / so tall as 2. got; earlier 1. as successful as 2. as much as; as

30. English Weekly Edition 21 P2 语法梳理 1. the same as 2. like 3. the same; different 4. different from

31. English Weekly Edition 21 P3 Language 1. d 2. b 3. a 4. e 5. c 1. warm 2. tall 3. carefully 4. much 5. many Notes: as + 原级 +as not as / so + 原 级 + as 动词 + 副词 (-ly) 4. many + 可数名 5. much+ 不可名

32. English Weekly Edition 21 P3 Language 1. as interesting as 2. not as / so useful as 3. as beautiful / pretty as 4. is quite / very different from 5. the same as

33. Edition 20 P3 专练 1. environmental 2. doing 3. to save 4. lifeless 5. to happen 6. wealthy 7. polluted 1. the answer to 2. In order to; gave up smoking 3. get / go back to 1-4 A C B D 1-5 B C A D B

34. Edition 20 P3 Listening Part 1-5 B C B C A 6-10 C A C B A A.Plants B. oil C. clean up D. Land E. Divide

35. Aims Book P108 1. pollution 2. environmental 3. breathe 4. recently 5. wealthy 6. healthy 7. useless 8. village 9. engineer 10. neighbourhood 11. improvement 12. scientist

36. Aims Book P108 1. our topic is 2. the answer to 3. improve public transport 4. in order to; give up 5. get / go back to

37. Edition 18 P3 Listening Part 1-5 B A C B C 6-10 B A B C C A. reporter B. 15 C. France D. designer E. doctor Speaking