八年级英语下册 Unit 4 The Internet Connects Us Lesson 20 A Computer Helps课时作业 （新版）冀教版.doc

1、Lesson 20A Computer Helps!.根据句意及首字母提示补全单词1I left my k_ at home. I cant open the door.2Where did you h_ my pen? I cant find it anywhere.3The students all stand up when their teacher e_ the classroom.4The twins are s_ the room for the missing book now.5Children have egg hunts and eat chocolate rabbits

2、 on E_ Day.用所给单词的适当形式填空6The Spring Festival is one of the biggest_ (festival) in China.7The MidAutumn Festival _(fall) on August 15 in the lunar calendar.8Jessica decided _(work) in a local restaurant.9I _ (celebrate) the Spring Festival with my family last year.10There are lots of _(bunny) on the g

3、rass.单项选择()11.I think a computer is very _It helps me a lot.Ainteresting BhelpfulCcomfortable Dcolourful()12.The teacher told us that the key _ success was hard work.Awith BtoCon Din()13.Which bicycle should I choose, sir?It _ what you want to use it for.Atakes on Bcarries onCputs on Ddepends on()14

4、.The boy _ behind a big tree, so his mother didnt find him.Astood BhidCavoided Ddisappeared()15.Why do Chinese people like red?Because the colour red is the _ of good luck in China.Areason BhopeCdream Dsymbol.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。Child

5、ren _ 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 _.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

6、 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 al

7、most 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,

8、 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.

9、答案.1.key(s)2.hide3.enters4searching5.Easter.6.festivals7.falls8.to work9celebrated10.bunnies.11.B12.B13D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。14B15D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。.16.search engine17.believe; hides18know about19.enter; key20is; topic.21.helpful22.quickly23.the24search25.our26.problems27on28.well29.worse30.So