20xx牛津譯林版八年級(jí)下冊(cè)u(píng)nit3onlinetours單元綜合測試1-wenkub
2022-12-10 07:45:49 本頁面
【正文】 their eyes get tired more easily. The screen of an iPad uses a very bright LED backlight. If children look at an iPad screen for a long time, their eyes do not have time to rest. This will make their eyesight worse over time (經(jīng)過一段時(shí)間 ). Doctors advise that users should hold their iPads between 40– 60 centimetres away from them. The brightness of the screen should be fortable for children. Parents should also stop their children from using an iPad for more than one hour every day. IPad brings problems to children’s eyes The story of Haiyan Haiyan (56) an iPad as a present. After using it for a month, her eyesight decreased a lot. A mon problem (57) of the children have poor eyesight because of using phones and iPads for too long. Reasons why iPad leads to eye problems Children’s eyes get (58) easily. The screen of an iPad uses bright backlight. Using eyes for a long time without a (59) makes eyesight worse. Advice on how to solve the problems Users should hold their iPads between 4060 centimetres away. The brightness should be (60) . Children shouldn’t use iPads for more than an hour a day. B. 閱讀下面的短文，根據(jù)所給首字母提示，用合適的單詞填空。 (每小題 2分，共 10分 ) 51. 大約兩千年前中國人發(fā)明了紙。 watch ( )15.— Mum, do you mind if I play puter games for a while? — . But please turn off the sound. A. Yes, please B. Sorry, I do C. No, play it if you like D. Yes, you’d better not Ⅱ. 完形填空 （每小題 1分，共 10分） Many people like to use puters now. They are 16 in many ways. First, they are very 17 . They can work with information more quickly than a person. Second, putersm 18 work with quite a lot of information at the same time. Third, they can keep information for a 19 time. They do not often 20 things in the way people do. Also, puters are almost 21 correct. They are not perfect, of course, but they usually do not 22 mistakes. These days, 23 is important to know about puters. There are a number of ways to learn 24 to use them. Some panies have classes at work. Also, most universities offer day and night lessons in puter science. Another way to learn is from a book, or from a friend. 25 a few hours’ practice, you can work with puters. You may not be an expert (專家 ), but you have fun working with them. ( )16. A. interested B. helpful C. delicious D. fresh ( )17. A. slow B. heavy C. light D. fast ( )18. A. can B. may C. need D. should ( )19. A. short B. good C. long D. small ( )20. A. keep B. fet C. remember D. write ( )21. A. always B. never C. sometimes D. usually ( )22. A. hear B. take C. tell D. make ( )23. A. that B. this C. it D. there ( )24. A. when B. why C. how D. where ( )25.
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