Lesson 20 A Computer Helps!
Ⅰ.根据句意及首字母提示补全单词
1．I left my k________ at home. I can't open the door.
2．Where did you h________ my pen? I can't find it anywhere.
3．The students all stand up when their teacher e________ the classroom.
4．The twins are s________ the room for the missing book now.
5．Children have egg hunts and eat chocolate rabbits on E________ Day.
Ⅱ.用所给单词的适当形式填空
6．The Spring Festival is one of the biggest________ (festival) in China.
7．The MidAutumn Festival ________(fall) on August 15 in the lunar calendar.
8．Jessica decided ________(work) in a local restaurant.
9．I ________ (celebrate) the Spring Festival with my family last year.
10．There are lots of ________(bunny) on the grass.
Ⅲ.单项选择
( )11.I think a computer is very ________．It helps me a lot.
A．interesting B．helpful
C．comfortable D．colourful
( )12.The teacher told us that the key ________ success was hard work.
A．with B．to
C．on D．in
( )13.—Which bicycle should I choose, sir?
—It ________ what you want to use it for.
A．takes on B．carries on
C．puts on D．depends on
( )14.The boy ________ behind a big tree, so his mother didn't find him.
A．stood B．hid
C．avoided D．disappeared
( )15.—Why do Chinese people like red?
—Because the colour red is the ________ of good luck in China.
A．reason B．hope
C．dream D．symbol
Ⅳ.根据汉语意思完成句子，每空一词
16．百度是我最喜欢的搜索引擎。
Baidu is my favourite ________ ________．
17．孩子们相信复活节兔子来了，并且把巧克力蛋藏起来让他们寻找。
Children ________ that the Easter Bunny comes and ________ chocolate eggs for them to find.
18．关于复活节，你知道些什么？
What do you ________ ________ Easter?
19．你能帮助我将这些关键句子输入到电脑里吗？
Could you please help me ________ these ________ sentences into the computer?
20．这是关于那个话题的一些信息。
This ________ some information on that ________．
Ⅴ.词语运用
阅读下面短文，在空白处填入一个适当的单词或括号内单词的正确形式。
Many people like to use computers now. They are 21.________(help) in many ways. Firstly, they
are very fast. They can work with information more 22.________(quick) than a person. Secondly,
computers can work with quite a lot of information at 23.________ same time. Thirdly, they can keep
information for a long time. Also, computers are almost correct. They are not perfect, of course,
but usually they do not make mistakes.
It is important to know about computers. Computers have both advantages(优点) and disadvantages.
We can 24.________(search) the Internet for information, listen to music, write a blog. We can also
chat with 25.________(we) friends, play computer games and so on. But some students have
26.________(problem). They spend too much time 27.________ computers. This is not good for their eyes.
And it is bad for their studies as 28.________(good). Even 29.________(bad), some students may visit
bad websites. 30.________ it is necessary for us to use computers correctly.
答案
Ⅰ.1.key(s)
2.hide
3.enters
4．searching
5.Easter
Ⅱ.6.festivals
7.falls
8.to work
9．celebrated
10.bunnies
Ⅲ.11.B
12.B
13．D 句意：“我应当选择哪辆自行车，先生？”“那取决于你想用它来做什么。”depend on 意为“依
赖于；取决于”，符合句意。take on 意为“接纳；承担”；carry on 意为“继续”；put on 意为“穿上”，
都与句意不符。故选 D。
14．B
15．D 句意：“为什么中国人喜欢红色？”“因为红色在中国是好运的象征。”reason 意为“原因”；
hope 意为“希望”；dream 意为“梦想”；symbol 意为“象征”。故选 D。
Ⅳ.16.search engine
17.believe; hides
18．know about
19.enter; key
20．is; topic
Ⅴ.21.helpful
22.quickly
23.the
24．search
25.our
26.problems
27．on
28.well
29.worse
30.So
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