Unit 5 Why do you do that?
【重点、难点点拨】
1. 交际用语
(1) I'll keep the box in the shade so that the sun doesn't burn the little pla
nts.
(2) I'll water them to stop the soil getting too dry.
2. 语言现象
(1) so that; (2) grow up； (3) in fact； (4) be made from in the past；
(5) in order to； (6) break the rule(s)； (7) wash away； (8) (all) by oneself；
(9) allow sb. to do sth.； (10) explain sth. to sb.；
(11) once/twice/three times a year； (12) thousands/hundreds/millions/dozens of。
3. 语法和写作
复习被动语态的用法，学习表示目的的句型。初步了解说明文。
【重点、难点例题解析】
1. so that 意为"以便，使能够"时引导目的状语；意为"因此"时引导结果状语。比较：
She turned the radio up so that everyone might hear the important news.
她把收音机的声音放大，以便大家能听见这条重要新闻。
She turned the radio up, so that everyone heard the important news.
她把收音机的声音放大，结果大家都能听见这条重要新闻。
目的状语从句中，常用情态动词may, might, can, could, will, would和 should 。结果状语从句中，在 so that前面常有逗号。
2. in order to = so as to, in order that =so that/so as to 但so as to不定式短语不能位于句首。例如：
They set out early in order that /so that they could catch the first bus.
= They set out early in order to /so as to catch the first bus.
= In order to (不能说So as to ) catch the first bus, they set out early.
【重点、难点练习题】
1. Nothing more heard from him, people thought that he was dead.
A. were… so that B. was … in order that
C. was … so that D. were … so as to
2. She raised her voice everyone heard her.
A. such that B. so that
C. in order that D. in order to
3. If you do know, answer in a loud enough voice .
A. in order that all the class should hear you
B. in order that all the class heard you
C. so that all the class heard you
D. so that all the class may hear you
4. The teacher asked him to speak louder by each of his classmates.
A. so that to be heard B. in order to hear
C. so that he could be heard D. to be heard
【全方位单元综合练习题】
Ⅰ 单项选择
1. - do you sow cabbages?
- To feed my family.
A. Why B. What C. When D. How
2. Jim ran as fast as possible up with the others.
A. as to catch B. in order to catch
C. so that he caught D. to be caught
3. The employee were made from dawn till dawn.
A. working B. to work C. work D. worked
4. The breakfast is free; you pay for it.
A. mustn't B. couldn't C. mightn't D. needn't
5. I to read before going to bed.
A. break a rule B. break it a rule
C. make it a rule D. carry out a rule
6. This machine operate . We must have it repaired.
A. isn't …well B. doesn't … well
C. isn't …good D. doesn't be …well
7. Wood can be made paper and many other kinds things.
A. from B. into C. up of D. of
8. Mr. Green has a wife and two children .
A. to keep B. to raise B. grow D. take
9. The two boys kept on when their father came in.
A. to write in English B. sitting in chairs
C. jumping to the music D. lying in bed
10. The old man kept the light in his room the whole night.
A. burning B. burnt C. to burn D. burn
11. Do your wife when we go to the party this evening.
A. take B. carry C. fetch D. bring
12. - Mary is going to get married to Bob.
-Yes, I heard.
A. such B. so C. this D. that
13. -Will he be kind enough go to the cinema with us tonight?
- .
A. I'm afraid so B. I'm afraid not
C. I think not D. I think it
14. breaks the law should be punished.
A. Anyone who B. Those C. Anyone D. Who
15. -I'm sorry I'v left your ball in the classroom.
-Never mind it myself.
A. I'll go and get B. I'm going to fetch
C. I'll go and bring D. I'm going to carry
16. Only the students have passed the exam.
A. a few B. few C. a few of D. some of
17. We don't allow in the reading room, so you are not allowed here.
A. smoking …to smoke B. to smoke… smoking
C. smoking … smoking D. to smoke … to smoke
18. An old man him couldn't carry too much.
A. as B. and C. like D. such
19. people have done a lot of research work in many fields of science.
A. Since fifty years B. Fifty years ago
C. For the fifty years D. In the past fifty years
20. There were people in the large hall.
A. two hundred of B. hundred of
C. hundreds of D. two hundreds
21. Please take this medicine and you will be better in a few days.
A. one day twice B. twice a day
C. two times a day D. one day two times
22. Mr. smith lived in China .
A. in 1990s B. in his 1990's
C. in the 1990's D. in the 1990
23. What is wrong? "Take this medicine ."
A. three times a day B. twice a day
C. once every 4 hours D. two times every day
24. I'm sure he will be back in .
A. one day or two B. a day or two
C. one or two day D. a or two days
25. She is a student of .
A. Class Second B. Second Class
C. the Class Two D. Class Two
26. He asked question before I could answer one.
A. a second … the first B. a second… a first
C. the second… a first D. the second… first
27. The teacher asked us to write a report.
A. three－thousand－words B. three－thousand－word
C. three－thousands－words D. three－thousands－words
28. About of the students in our school are boys.
A. three－fifth B. three－fifths
C. third－fifths D. three－five
Ⅱ 请将下列词组短语按事情的经过重新排列顺序
A. keep the box in the shade
B. put some soil in the box
C. water them to stop the soil getting too dry
D. plant them in rows in the field
E. cover it with more soil
F. put the little plants in the earth
Ⅲ 将下列句中斜体字部分译成中文
1． He left my bag in the reading－room.
2． Is there any water left in the thermos?
3． Leave the door open when you go out.
4． He got three free tickets for this concert.
5． She's usually free at the weekend.
6． The girl set the bird free.
Ⅳ 将下列句子变为被动句
1. A speeding car hit a man.
2. In that way rains do not wash away the soil.
3. They are to hold an exhibition of cars at the museum.
4. They took good care of the children.
5. She ought to pay more attention to her pronunciation.
Ⅴ 完形填空
In most cases, you can transplant (移植栽种 ) a tree 1, at any time, if y
ou 2the instructions for planting a tree. The most important thing is to 3enough 4, but this process is difficult with 5.
When you dig out the tree, take 6measuring about a foot wide for every inch of the diameter(直径) of the tree 7. Dig deep enough to avoid cutting off too many taproots（直根）.
It is 8to 9a professional （职业的） tree 10to transplant a tree more than a few inches in trunk diameter.
1. A. success B. successful C. succeed D. successfully
2. A. follow B. work out C. find out D. don't follow
3. A. water B. dig out C. sow D. dig a hole
4. A. roots B. leaves C. branches D. trunk
5. A. a small tree B. a large tree C. a small seed D. a large seed
6. A. a little water B. a little
C. a lot of water D. a ball of earth
7. A. seed B. hold C. trunk D. leave
8. A. usual B. foolish C. wise D. unusual
9. A. call at B. call out C. call on D. call in
10. A. expert B. planter C. teacher D. farmer
Ⅵ 用下列各词的适当形式
take, break, carry out, work out, keep
1. Anyone who the rule will be punished.
2. Everyone must the traffic rule
3. They are a rule to stop fighting in public.
4. Policemen should the traffic rule to organize the cars on roads.
so that, so as (not)to,in order (not)to, in order that
5. Keep the box in the shade the sun doesn't burn the little planes
6. catch up with the other students, we must study hard.
7. Parents worked hard we would have a nice living.
8. He stood up see better.
9. He listens attentively miss a single word.
Ⅶ 单词拼写
1. In the past, people had to walk far away to f water.
2. Mother f their babies on milk.
3. As a result they saved 90 p of the trees in the forest
4. They p anybody who cuts down young trees.
5. The v didn't allow the cows to knock down the trees or eat the leaves.
6. The forest p is operated by the woman in the village.
7. We have been good friends for years. I don't wish to d our friendship.
8. In many countries in the world, people speak English as their mother l
9. Sorry, I don't know the way, either. I'm a s .
10. A lot of wood was w away during the flood.
 参考答案
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