1、Unit 3 Online travel Vocabulary课时配套作业.根据句意及首字母提示填写单词1. You can move the m_ with your hand to move the cursor (光标) on the screen.2. The p_ is a machine that puts your words and pictures onto paper.3. You can see words and pictures on the _(屏幕)4. You can use the k_ for typing.5. Please pass me the rem
2、ote c_. I want to change the channel.II.用所给单词的适当形式填空1. Computers are used_(wide) today.2. One of the _(travel) has lost his way.3. He _(lie) on the floor when I saw him.4. my sister is good at _(send) e-mails.5. This time he did it even _(bad).III.单项选择( )1.The icon is double clicked, but it still _A
3、. works B. doesnt work C. turns on D. appears( )2.We can use the cursor(光标) _ the screen _ the mouse.A. in; by B. on ;by C. around; with D. around; in( )3.The computer game _ well and _out very soon.A. sells; is sold B. sells; sells C. is sold, sells D. is sold; is sold( )4.The TV is too noisy. Can
4、you turn it _ a little?A.up B.on C.down D.off( )5. A hard disk is used for _information.A. designing B. producing C. storing(储存) D. receivingIV.根据所给提示完成下列句子1. 键盘是用来打字的.The keyboard _.2. 我们的老师能够在电脑上批阅我们的家庭作业.Our teacher _.3. 你是怎样把它打印出来的?How _?4. 光的速度比声音快得多.Light travels _sound.5. 你可以给你的老师发邮件6. You ca
5、n send _.V. .完形填空。There are all kinds of machines. They 1 in many different ways. One kind of machine is called a computer. A computer can do many things. A computer can do math problems. People can do math problems. But they cannot do it 2 a computer. Computers remember things. Computers 3 people t
6、ell them. People cannot remember as many things as computers. Computers help tell 4 the weather will 5 .Computers help fly rockets and spaceships. These are 6 of ways computers are used. They are used in thousands of ways. 7 they are not always used in the same way. Some computers do just 8 things.
7、Some computers can do a lot of things. There are 9 computers. There are big computers. There may be computers in your school. Do you 10 what they do? 1Ause Bare used Care using D will use 2Afaster than B as fast as Cmore quickly than D so big as 3Asomething Bthat Ceverything D things 4Awhich Bwhere
8、Cwhat Dwhy 5Abe like Bbe Clook D feel 6Aall B many C a lot Donly some 7ABut BAnd CWhen D Though 8Aa little Blittle Cfew D a few 9Alarge Bhuge（巨大的） Cgood D small 10Aget B talk Cmake Dknow VI 阅读理解A.Computers are useful machines. They can help people a lot in their daily life. For example, they can hel
9、p people to save much time to do much work, and they can help people to work out many problems they cant do easily. Our country asks everyone to learn to use computers before the twenty-first century, except the old people.Today more and more families own computers. Parents buy computers for their c
10、hildren. They hope computers can help them improve their studies in school. Yet, many of their children use computers to play games, to watch video or to sing that computers can not help children to study but make them fall behind. So computers are locked in boxes by parents.In some other countries,
11、 even some scientists also hate computers. They say computers let millions of people lose their jobs or bring them a lot of trouble. Will computers really bring trouble to people or can they bring people happiness?It will be decided by todays students themselves!1Why do we say the computer is a usef
12、ul machine? Because _. Aour country asks us to learn it B it can help us a lotCwe can use it to play games D it can help us to find jobs2What do many teachers and parents complain about? They complain that _ . Atheir students and children use computers to play gamesBcomputers let them lose their job
13、sCcomputers make their students and children fall behindDcomputers bring people a lot of trouble3In this passage we know computers _. Aalso bring us trouble Bbring us happiness onlyCare hated by people Dare bad for peoples health4Can computers really help children to study? AYes, they can. B Its har
14、d to say. CNo, they cant. D Of course not.5How do you understand the last sentence of this passage? I think it means _. Acomputers are used by people Bpeople can live well without computersCone must decide how to use computers D computers are strange machinesB.The Internet is becoming important in o
15、ur life. How much do you know about it?What is the Internet?The Internet is a large, world-wide collection (聚集) of computer networks( 网络). A network is a small group of computers put together. The Internet is many different kinds of networks from all over the world. These networks are called the Int
16、ernet. If you have learned to use the Internet, you can have a lot of interest on the World Wide Web(网) What is the World Wide Web?The World Wide Web has been the most popular development of the Internet. The Web is like a big electronic (电子) book with millions of pages. These pages are called homep
17、ages.You can find information about almost anything in the world on these pages. For example, you can use the Internet instead of a library to find information for your homework. You can also find information about your favourite sport or film star, talk to your friends or even do some shopping on t
18、he pages. Most pages have words, pictures and even sound or music.What is e-mail?Electronic mail (e-mail) is a way of sending messages to other people. It s much quicker and cheaper than sending a letter. If you want to use e-mail, you must have an e-mail address. This address must have letters and
19、dots (点) and an“ “ (means “at“). For example: Lily Yahoo, com. Write a message, type a persons e-mail address, then send the message across the Internet. People dont need to use stamps, envelopes or go to the post office since the invention of the Internet . Quick, easy and interesting that s the In
20、ternet .1. The Internet is_.A. a big computer B. a small group of computersC. lots of computer networks D. the World Wide Web2. The World Wide Web is like_.A. an electronic book B. homepagesC. an electronic page D. an interesting picture3. The sentence “You can talk to your friends on the pages. “me
21、ans _.A. you can talk to your friends face to faceB. you an type your words in the computer and then send them to your friends across the InternetC. you can talk to your friends through the same computerD. you can go to your friends houses to talk to them4. People like to use e-mail to send messages
22、 to their friends because_.A. they dont have to pay any money B. it s faster and cheaperC. they dont need to have stamps, envelopes or addresses D. sending e-mail is interesting15. The “e“ in e-mail means_.A. easy B. entrance C. electronic D. enjoyableVII.用方框中的单词的适当形式填空,使短文完整.mouse printer e-mails I
23、BM keyboard scanner(扫描仪) Internet computerMy father has bought a new _1_for me recently. Its made by _2_in New York, and he also bought me a _3_, nowI can print some articles easily. He bought a _4_ foe me, too. My friends tell me to send _5_to them on line, but I dont know how to e-mail on the _6_.They tell me that it is easy if I know how to use my _7_and _8_.1._ 2._ 3._ 4._5._ 6._ 7._ 8._
