内容正文:
Unit 13 We're trying to save the earth! Section B 同步跟踪练
一、单词拼写
1.There isn’t much water in the (瓶子).
2.My shirts are (熨烫)by my mother every day.
3.His eyes were open and everything he saw was (颠倒).
4.So together, our actions can (发挥作用).
5.Do you want your address written (在……顶端) the letter?
二、单项选择
6.Don’t _______ used things, and try to recycle them.
A.take away B.throw away C.put away D.keep away
7.The building is too old. We have to ________ and build a new one.
A.pull down it B.pull it down C.pull it off D.pull off it
8.________ is very useful to protect the environment.
A.Buying old things B.Making cheap things
C.Recycling things D.Using cheap things
9.The shelf is ________. So it’s not too heavy.
A.stone B.wooden C.iron D.irony
10.Not only ________ repair bikes but also ________ repair televisions.
A.can he; he can B.can he; can he
C.he can; he can D.he can; can he
11.—Can you go to the movies with me tonight?
—I have to ask my mum. If I __________, I will go with you.
A.allow B.allowed
C.am allowed D.was allowed
12.—Mom, look at all the clothes I bought online.
—Again? You shouldn’t spend so much money ________ clothes.
A.in B.for C.on D.with
13.Life is like a horse, and ________ you ride it ________ it rides you.
A.either; or B.neither; nor C.both; and
14.We shouldn’t ________ some useful things that we don’t need. They can be put to good use again.
A.throw away B.put away C.turn off D.get off
15.The company wants to ________ a school for the poor children.
A.put off B.set up C.call in D.look after
三、完形填空
When the air in Beijing got “crazy bad”, as an American reporter described(描述), one could hardly even see others across the street. During the 16 , you can still make out (辨认出) the sun through the sky, but even at noon, the sun is just 17 a small white ball. Your clothes can get 18 after a day’s walking. Clothes 19 like in an airport smoking wa