八年级下册课时练习Unit3Period1Welcometotheunit

1、Unit 3 Online tours第课时 Comic strip and welcome to the unit一、根据句意和中文提示完成单词。1 A键盘is used for typing something.2. We can control our computers with鼠标3. Computers can be used for接H攵and sending emails4. Im going to watch this TV节目on Channel 5.5. If you click on the icon, you can査i旬for more information6.

2、Can you see the words on the屏幕if youre nearsighted?二、根据句意.用括号中所给单词的适当形式填空。1. Stamps are used forsend letters2. Havent seen you fora long time! Where have you been? Istay in Ningxia for one year,teaching English as a volunteer.3. Therebe great changes here in this area in the past few years Yes And t

3、here will be greaterchanges in the future.4. Nobody tells me howuse this computer. I need some help.5. Itsbored for me to stay at home all day long三、单项选择1. Would you please see the latest film with me tonight,to dinner.A. sufferedB. earnedC. received2. 111 go to the USA next month. for?A. WhyB. HowC

4、. Which3. Ais used for changing the channel.A. remote control B. main unit C. screenKate? Fd lcrve to. but IveLindas invitationD. acceptedD. WhatD. mouse4. do you use your computer to search for information? I use my computer to search forinformation every week. A. How often B. How much C. How long

5、D. How5. Hurry up! The filmfor ten minutes.A. has begun B. has been on C. beganD. was on6. How about playing games? A. Yes, I think so B. Thank you C. Oh. no problem D. Thafs a good idea7. We can use QQ to communicate with each other online ood! Will you please show meit?A. what to useB how to useC.

6、 when to useD. where to use8. The boyhis schoolbag for a lost bookA. is searchingB is searching for C. is searchedD. is searched for四、根据短文内容和所给首字母，在空格内填入一个适当的词，使短文意思完整。Many of my friends have computers at home What are these computers used for?Andy is a top student. He likes searching for 1. ion the

7、 Internet. He says the Internet alwaysprovides the latest news. Our 2 Eteacher says his computer makes it easier for him to do wordprocessing. Its 3. fand easier than writing with pens, isnt it? Jacky is a clever boy, and he says he isgood at 4. wcomputer programmes He hopes that he can be a success

8、ful programmer in the future. Andmy cousin 5. smuch time drawing and designing on his computer. Maybe i an help him to be a goodfashion designer. Many of my friends 6. sand receive emails online. Its faster than 7. plettersand it costs nothing!Some of my friends say they can & cwith others on QQ. An

9、d Lucy says she is 9. iinwatching movies on her computer. She downloaded Harry Potter VI last week Tommy often relaxes himself by10. pgames on the computer, which sometimes makes his parents angry五、完形填空He has millions of students from all over the world They listen to his class online They 1 see his

10、face on the screen. Salman Khan, 42, from the US, is the founder 创始人of the learning website KhanAcademy.Unlike other online courses that film teachers2classes, Khans videos only use is voice and a digitalblackboard for writing He says he doesnt want a human face to distract 彳吏分students Khan also mak

11、es hisclasses310 to 15 minutes so that students wont lose interest. They can also get scores from taking classes.The courses are translated into more than 36 different languages4Chinese About 80 teachers fromthe worlds top universities are now also teaching on the website But all this started nine y

12、ears ago with just oneman Khan. These kinds of special courses make Khan Academy one of the worlds5online educationwebsites.In 2006、Khan made home-made videos to help his6grade cousin with Maths. He posted the videosonline and got thousands of views. This encouraged him to make more videos and creat

13、e his own website KlianAcademy.Khan understands that many kids, especially those in developing countries, cannot get a good education. Hehas three degrees from universities He wants to use his7to help more people Thus, his courses are alloffered for free MOur task is to 8 a free, world-class educati

14、on for anyone, anywhere,M he saidKhans website has9become very popular worldwide but won a lot of respect 尊重.Even BillGates, the founder of Micros, is one of his fans. Gates10over $1. 5 million to support Khan and namedhim the teacher to the worldH.1. A. alwaysB. usuallyC. neverD. sometimes2. A. to

15、giveB givingC. giveD. gave3. A. as long asB. as much asC. as short asD.as soon as4. A. includingB. withC. asD. beside5. A. 1 east popularB. more popularC. popularD. most popular6. A. nineB. ninethC. ninthD. the ninth7. A. knowledgeB. fameC. courageD. value8. A. giveB. offerC. provideD. pay9.A. everB alreadyC. notD. not