（重点练）Unit 3 The environment同步作业练习（含答案）

（重点练）Unit 3 The environment作业练习
一、单项选择
1．The bullet（子弹）________ the soldier in the shoulder in the war.
A．injured B．hurt C．destroyed D．wounded
2．— It’s my first time to make a speech in front of so many people. I’m too nervous.
— _________, Wendy. Believe me, you can do it.
A．Take your time B．Don’t mention it C．You’re right D．Come on
3．If you find anything on fire in the room, cut off the _________ and leave the house at once.
A．telephone B．temperature C．experience D．electricity
4．Manchurian tigers are ________ now. Let’s keep them ________.
A．in danger; safety B．dangerous; safe C．in danger; safe D．dangerous; safety
5．Separating litter into different groups will give us a _________ city than before.
A．much greener B．very green C．much dirtier D．very dirty
6．Can you find out the ________ of stress
A．causes B．reasons C．solutions D．suggestions
7．Don’t throw away the waste paper. It needs _________ so that it can be reused.
A．to destroy B．collecting C．to collect D．destroying
8．如果你兴奋地告诉你的美国笔友你喜欢的球员获得了世界冠军，他可能怎么回答 ________
A．What’s fun. I can’t wait.
B．That’s wonderful. Let’s work hard.
C．All of you must be very proud.
D．I think your dream will be realized in the future.
9．—June 5 is the World Environment Day. We should do something to protect the environment.
— ________. We can do some voluntary work.
A．I couldn’t agree more B．I’m sorry to hear that
C．You must be joking D．I didn’t mean it
10．—Could you please tell me the ________ of building a lake here
—To improve the environment.
A．chance B．purpose C．method D．secret
11．We are ________ that the Great Wall is one of the wonders of the world.
A．friendly B．brave C．nervous D．proud
12．The number of the students who study abroad ________ in the past few years.
A．have risen B．has developed C．has increased D．have increased
13．选出一个其选项划线部分读音不同于其他三个发音的单词。
A．thanks B．name C．hamburger D．habit
14．—I have difficulty learning physics. Do you know how to deal with it
—Well, one _______ is doing as many exercises as possible.
A．purpose B．trust C．chance D．method
15．—Why do you collect old clothes
—I want to give them to people________.
A．in public B．in need C．in danger D．in red
16．Cindy wants to go to Huangshan, Anhui for a ________ because she likes Anhui cuisine(徽菜) very much.
A．trip B．sale C．lesson D．habit
17．When the weather is fine, the trees on the bank are clearly ________in the lake.
A．increased B．reviewed C．reflected D．divided
18．—I’m feeling a little nervous when I answer questions in class.
—__________. Believe in yourself!
A．That’s right B．Take it easy C．Good idea D．Have a look
参考答案与试题解析
1．D
2．D
3．D
4．C
5．A
6．A
7．B
8．B
9．A
10．B
11．D
12．C
13．B
14．D
15．B
16．A
17．C
18．B