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 Mid?Autumn 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 puters 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 ... ...
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