Unit 24 The science of farming
【重点、难点点拨】
1. 对话介绍了询问天气的交际用语。
2. 课文介绍了我国农学先驱贾思勰和他的著作《齐民要术》。
3. 语法为疑问句间接引语的表达法。
(1) He asked if it was a good idea to sow wheat close together.
(2) They asked him when he harvested the wheat.
4. be busying with, knock out of, point out, turn over, go against, year after year, agree to do sth, now and then, give a talk, research into / on / in, spend on / in, ways of doing sth., hang up, point out / to， turn over / on / off / up / down / in / to。
【重点、难点例题解析】
1. as a famous scientist, he is respected everywhere.
A. to known B. knowing C. known D. being known
答案:C。 注: 过去分词短语表原因,作状语相当于一个状语从句。
Known as a famous scientist
= Because he is known as a famous scientist.
2. It often me about two hours to finish my homework.
A. takes B. spends C. costs D. pays
答案: A。 注: It take(s)/took sb some time to do sth. 花费某人时间去做某事。
spend money/time｛on sth. 在……上花费时间或金钱
(in) doing sth.花费时间或金钱去做某事｝
cost 主语为物,不用被动。 pay money for sth. 为……付钱。
3. Can you tell me something about the accident yesterday?
A. happening B. that happened
C. happened D. having happened
答案:B。 注: 此句中accident 为先行词, that happened yesterday 修饰先行词。 happen 不用被动,因此happened 不是过去分词作定语表被动。现在分词作定语表主动,和进行、现在时态连用。
4. China is a very large country a long history.
A. in B. with C. of D. from
答案: B。注: with + 名词构成一短语表伴随动作,一般放在句尾,修饰整个句子。
【重点、难点练习题】
1. If you go nature, you will be punished return.
A. to, against B. against,in C. down,by D. for,with
2. They'll carry out the new plan in the week.
A. followed B. coming C. last D. going
3. The physicist spent most of his spare time research physics.
A. in, into B. on, on C. into, about D. in, with
4. Do you know the boy ?
A. to call Tom B. called Tom
C. which is called Tom D. who calling Tom.
5. They a great deal about the things that happened last week.
A. talked B. told C. said D. spoke
【全方位单元综合练习题】
Ⅰ 根据提示在文中找出相应的词语
1. crops from plants which produce these seeds, wheat esp.
2. powder made by crushing grain
3. a metal consisting of iron in a hard strong form
4. an instrument for holding or carrying food to the mouth, having a handle at one end with two or more points at the other
5. the practice of working on a farm
6. knowledge or skill which comes from practice
7. a state of existence
8. working in a garden, keeping it tidy, making plants grow
9. having an uneven surface
Ⅱ 根据课文内容填空
China1one of2first countries in the world to study the scien
ce of farming. One of the pioneers of farming was Jia Sixie,3 lived in the sixth century4. After5in the government for many years,he returned6and spent his time7 research into agriculture. He8information,9it,10experiments and11from the experiences of farmers.
He wrote a book12,Qi Min Yao Shu,13has 110000 characters. It is about14farming15gardening.
Ⅲ 单项选择
1. This kind of music the 18th century.
A. date from B. dates from
C. was dated from D. is dated from
2. The fire was put out soon after and all the workers were out
of .
A. rooms B. work C. danger D. death
3. In the house there are four rooms, each of two beds.
A. which have B. which has C. them have D. them has
4. Writing this book her more than a year.
A. spent B. cost C. costs D. took
5. they visited ten places of interest in China.
A. At all B. After all C. In all D. Not at all
6. Put these books either on the shelf the desk.
A. or in B. or C. and on D. nor on
7. -What 's the weather going to be like tomorrow in Shanghai?
-It's cloudy and rainy.
A. / B. going to be C. going to D. maybe
8. It was raining all the time they were working on the farm.
A. when B. and C. but D. while
9. He has spent a lot of time and money his living conditions.
A. to improve B. on improving
C. improve D. in improving
Ⅳ 完形填空
China is a large country of agriculture. As you know, there are more than 800 million1in China. China started to2the science of agriculture much earlier3other countries in the world.4the people in Europe and America were trying to5wild animals and birds for food, farmers in China were6the science of agriculture.
1. A. workers B. farmers C. pioneers D. scientists
2. A. develop B. grow C. choose D. collect
3. A. to B. till C. then D. than
4. A. Where B. For C. While D. Because
5. A. make B. look C. collect D. shoot
6. A. trying B. working C. studying D. growing
Ⅴ 改错
Have you read the book "Qi Min Yao Shu"? I don't
think you do. In the famous book, Jia Sixie 1.
suggested farmers to sow seed and grow 2.
young plants in the fields on the right time of 3.
year. Followed his advice, farmers will do less 4.
work and get best results. he advised farmers 5.
to examine the soil carefully and improved 6.
the soil which condition was not good. He also 7.
said the soil should be ploughed, One is in
spring and another is in autumn. The first 8.
ploughing is deep and the second one is less
deeper. He asked farmers to grow different 9.
plants in a same field instead of planting the 10.
same one in the same field year after another. 11.
Ⅵ 完成句子
1. Do you know (南方是否种苹果)？
2. He asked me (去过几次长城).
3. "It's going to rain this afternoon, (你最好带上雨衣)."my mother said to me.
4. .(黄油和奶酪都是由牛奶制成的。)
5. Where can I find Lisa, (她是我的同学)?
Ⅶ 阅读理解
Jim: How's your toothache?
Andrew: It's gone, thanks. I went to the dentist last night and he took care of it.
Jim: Which tooth was it?
Andrew: The last one on the upper righthand side. It has a huge filling in it now.
Jim: I hate having my teeth filled. It's not just the pain I hate. I hate
the sound of drilling.
Andrew: So do I. I'd rather have a tooth pulled than filled.
Jim: Have you ever had one of your teeth pulled?
Andrew: No, but the one the dentist just filled will have to come out someday. He says it can't be filled again.
Jim: Teeth keep causing trouble, and nobody really does anything about it. I can't understand why.
Andrew: They can put men on the moon, but they can't keep people from having trouble with teeth.
Jim: Why can't they transplant teeth the way they transplant hearts? They can give somebody a different heart. Why can't they give him different teeth?
Andrew: I've heard they're working on that. My dentist says they're working on tooth transplants right now.
Jim: On second thought, I'm not sure I'd want to eat with some other person's teeth.
Andrew: Well, that's not how it works. The idea is to develop a plastic tooth that can be put into the hole where your own tooth came out.
Jim: Really? What makes it stay there?
Andrew: So far they haven't tried it with people, but they've made it work with baboons.
Jim: Do they hook the plastic tooth to the teeth beside it?
Andrew: No. The plastic tooth is made with plastic roots, and after a while the gums grow around the roots, so the tooth can't fall out.
Jim: Are you making this up?
Andrew: No! Seriously, somebody at the Georgetown University Hospital in Washington has been working on it.
Jim: Well, it sounds like a good idea.
1. In the context "It's gone" means .
A. the tooth has been pulled
B. there is no more of the toothache
C. the dentist would not take care of it
D. Andrew has been to the dentist
2. Which of the following is true?
A. Andrew prefers filling the bad tooth to taking it out.
B. Jim prefers to have the bad tooth filled rather than pulled.
C. Neither Andrew nor Jim likes to have a tooth filled.
D. Jim and Andrew would rather have a tooth filled.
3. Jim complained that nobody was doing anything to .
A. prevent people from having trouble with teeth
B. stop teeth from falling out
C. put men on the moon
D. transplant hearts and other organs
4. According to the context tooth transplanting .
A. will not be realized in the near future
B. is still at a trial period
C. is but a dream
D. has been widely practised
5. Why did Jim think Andrew was making up the story?
A. He was sure Andrew was joking.
B. He had never heard about it.
C. He thought it totally impossible.
D. It had never been mentioned anywhere
6. This dialogue is mainly about .
A. Andrew's toothache
B. teeth made of plastics
C. tooth transplanting
D. the Georgetown University Hospital
 参考答案
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