内容正文:
Unit 3 培优练习
1、 翻译词组
1.谢谢你做某事______________________
2.阻止某人做某事______________________
2.停下(正在做的事)去做某事______________________
3.在…方面给出一些建议______________________
4.对…有用的小贴士______________________
5.太久了______________________
6.对某人的健康有害______________________
7.在网上搜索______________________
8.某人花时间做某事______________________
二、用括号中所给词的适当的形式填空。
1. If you don’t hurry, you ______ (be) late.
2. I don’t know how _______(operate) the car.
3. They spent one hour _______ (do)their homework.
4. We are looking forward to _______(meet) you.
5. It’s not easy for us ______ (learn) English.
三、选择题
( )1. Our city is becoming _____.
A. more and more beautiful B. more beautiful and beautiful
C. beautiful and beautiful
( )2. If you want to be thinner and healthier, you'd better eat _____ food and take _____ exercise.
A. less; more B. fewer; more C. more; less
( )3. Paris is one of _____ in the world.
A. the biggest city B. the biggest cities C. bigger city
( )4. —What will the weather be like tomorrow?
—I'm afraid it will be _____ colder than today.
A. more B. a bit C. a bit of
( )5. You should write _____ as you can while you're having an exam.
A. the same careful B. as careful C. as carefully
( )6. The new house is _____ the old one.
A. twice larger B. as twice as large C. twice as large as
( )7. —Are you feeling _____?
—Yes,I'm fine now.
A. well B. better C. good
( )8. David is _____ of the two boys.
A. careful B. more careful C. the more careful
( )9. Which one is _____, the Sun, the Earth or the Moon?
A. small B. smaller C. the smallest
( )10. China is the third _____ country in the world.
A. larger B. largest C. large
四、补全对话
A. I’ll take them.
B. Can you go to other shops?
C. I feel sorry about it.
D. May I have a look at other shoes?
E. How much are they?
F. I’d like a pair of shoes for my daughter.
G. She likes white and black.
A: What can I do for you?
B: 1
A: For your daughter? Look, the shoes are really nice. Do you like them?
B: Yes. But I’m afraid my daughter doesn’t like the color. 2
A: Sure. There are different kinds of shoes over there. What color does she like?
B: 3 And black is her favorite.
A: What size does she need?
B: Size 9. Let me see. Um, this pair of shoes must fit her. 4
A: They are not expensive, only 199 yuan.
B: That would be fine. 5 Here is the money. Thanks very much!
A: You are welcome.
五、完形填空
John and his wife Molly had many animals on their farm. A little mouse also lived there.
One day the mouse 1____ a mousetrap (捕鼠器) on the floor. “There is a mousetrap on the 2____ !” the mouse said to the chicken. But the chicken answered 3____,“It is only a 4____ thing for you.” Then the mouse ran to the pig and the cow and told them about the mousetrap. But the pig and the cow didn’t 5____ it either. And they wished him good luck.
The little mouse felt 6____.
At night, Molly heard a sound from the mousetrap. She found a snake was caught by the mousetrap. And the snake bit (咬)her on tier 7____ , so she couldn’t walk. The farmers took her to the 8____ at once.
Later, when they went back home, Molly still didn’t feel very well. John 9____ the chicken to make some chicken soup (汤)for her. However, Molly didn’t get well. Many people came to visit her. The farmer killed the pig and the cow to make a big dinner for the 10____.
( )1. A. took B. found . C. made
( )2. A. farm B. street C. playground
( )3. A. sadly B. finally C. coldly
( )4. A. useful B. helpful C. dangerous
( )5. A. care about B. look up C. take in
( )6. A. happy B. sad C. nervous
( )7. A. hands B. legs C. arms
( )8. A. hospital B. school C. market
( )9. A. protected B. kept C. killed
( )10. A. animals B. visitors C. doctors
六、阅读理解
What do people do with their old but still useful computers? Most people don’t know what to do with them, so they usually put the old computers away in their homes or just throw them away.
Finally, some companies are thinking of ways to bring down the number of old computers. Sony agreed to help recycle old Sony computers years ago. Dell, Hewlett Packard and other companies now also take back some old computers.
In some countries, computer companies have to collect and recycle their old computers. And they have to recycle 70% of the computer waste. The rule behind these ideas is that computer companies themselves should pay for it. It will encourage them to make computers that are cheaper to repair (修理).
Many people are throwing away old but still useful computers, but other people think they are expensive. Thousands of people are working on this, problem. They collect and repair old computers. Some also teach others how to repair computers.
The computers then are given away to schools and people who need them. Giving a used computer to one who needs it can turn one person’s old thing into another person’s useful thing and cut down on waste too.
( )1. What do most people usually do with their old computers?
A. They sell them to others.
B. They repair them and still use them.
C. They give them to schools.
D. They put them away or throw them away.
( )2. What does the underlined word “recycle” mean?
A. Repair again. B. Sell out.
C. Use again. D. Throw away.
( )3. According to the rule in some countries, what should computer companies do?
A. They should take back some old computers and recycle them.
B. They should make computers that are cheaper to buy.
C. They should recycle all their old computers.
D. They should repair all the old computers.
( )4. What may people who can’t buy computers think of old but still useful computers?
A. Expensive. B. Useless.
C. Old. D. Cheap.
( )5. What is the passage about?
A. Repairing old computers.
B. Selling old computers.
C. Recycling old computers.
D. Buying old computers.
一、
1. thank you for doing sth.
2. stop sb. from doing sth.
3. stop doing sth. to do sth.
4. give some advice on...
5. useful tips for...
6. too long
7. be bad for one's health
8. search on the Internet
9. sb. spend time doing sth.
二、
1. will be 解析:if 引导的条件状语从句,遵循 “主将从现” 原则,主句用一般将来时。
2. to operate 解析:how to do sth. 表示 “如何做某事”。
3. doing 解析:spend time (in) doing sth. 表示 “花费时间做某事”。
4. meeting 解析:look forward to doing sth. 表示 “期待做某事”。
5. to learn 解析:It's + adj. + for sb. to do sth. 表示 “对某人来说做某事是...... 的”。
三、
1. A 解析:“more and more + 形容词原级” 表示 “越来越......”,故选 A。
2. A 解析:eat less food 表示 “少吃食物”;take more exercise 表示 “多锻炼”,故选 A。
3. B 解析:“one of + the + 形容词最高级 + 名词复数” 表示 “最...... 之一”,big 的最高级是 biggest,city 的复数是 cities,故选 B。
4. B 解析:a bit 可以修饰比较级,colder 是比较级,故选 B。
5. C 解析:as...as 中间用原级,修饰动词 write 用副词 carefully,故选 C。
6. C 解析:“倍数 + as + 形容词 / 副词原级 + as” 表示 “是...... 的几倍”,故选 C。
7. B 解析:根据语境,此处是问感觉是否好点了,用比较级 better,故选 B。
8. C 解析:of the two boys 表示两者中比较...... 的那个,用 the + 比较级,故选 C。
9. C 解析:三者比较用最高级,small 的最高级是 smallest,故选 C。
10. B 解析:“the + 序数词 + 形容词最高级” 表示 “第几最......”,故选 B。
四、
1. F
2. D
3. G
4. E
5. A
五、
1. B 解析:find 表示 “发现”,“老鼠发现了一个捕鼠器”。
2. A 解析:on the farm 表示 “在农场”。
3. C 解析:coldly 表示 “冷漠地”,鸡的回答很冷漠。
4. C 解析:dangerous 表示 “危险的”,对老鼠来说是危险的。
5. A 解析:care about 表示 “在乎,关心”,猪和牛不在乎。
6. B 解析:没人在乎,老鼠感到伤心。
7. B 解析:蛇咬了她的腿,所以不能走路。
8. A 解析:受伤去医院,hospital 表示 “医院”。
9. C 解析:kill 表示 “杀”,为了做汤杀了鸡。
10. B 解析:为来访者准备大餐,visitors 表示 “来访者”。
六、
1. D 解析:根据 “Most people don’t know what to do with them, so they usually put the old computers away in their homes or just throw them away.” 可知大多数人把旧电脑收起来或扔掉,故选 D。
2. C 解析:recycle 表示 “回收利用”,与 use again 意思相近,故选 C。
3. A 解析:根据 “In some countries, computer companies have to collect and recycle their old computers.” 可知电脑公司要回收旧电脑,故选 A。
4. A 解析:根据 “but other people think they are expensive.” 可知买不起电脑的人觉得旧电脑贵,故选 A。
5. C 解析:文章主要讲的是回收旧电脑的相关内容,故选 C。
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