2019年八年级英语Unit4TheInternetConnectsUs课时滚动训练[Lessons19_21]练习.docx

Unit 4 The Internet Connects Us课时滚动训练 Lessons 1921.完形填空Nowadays, WeChat is becoming more and more_1_ in China. No matter where we are, we can send text or voice messages to our friends. We can also find a stranger to talk to by shaking the _2_. Another fun function(作用) is that WeChat can help to search for people who live nearby with the program on. Many people like this function, _3_ it can help them find more people.In my opinion, WeChat is really_4_ useful chatting tool. It can help people _5_ with their friends more easily. However, it is also_6_ for people, especially for students. As you see, some people use WeChat _7_ too long. It is not healthy to them. So I have some advice _8_ it in a correct way. First, we should not use it when we are studying. We cant focus on our study if we use it. Second, we must be careful. We should neither show too much personal information _9_ trust strangers so much.We should learn how to use it properly. Remember, WeChat is not everything in your life. _10_ depend too much on it.()1.A.popular BcheapCpoor Drich()2.A.radio BphoneCcomputer DTV()3.A.so BbutCbecause Dand ()4.A./ BanCa Dthe()5.A.argue BcommunicateCdance Dwork()6.A.good Bbetter Cworse Dbad()7.A.for BinCon Dwith()8.A.use BusingCuses Dto use()9.A.or BnorCand Dbut()10.A.Doesnt BDontCIsnt DHavent.2018滨州阅读理解Inventions make the world better, smarter and a little more fun.The folding bike helmet (头盔) People hate to wear a helmet because its thick and heavy. Morpher is a bike helmet made from plastic. It is just as strong as the traditional ones, but flexible (灵活的) enough to fold almost totally flat. Also it is much easier to carry.Shoes that tie themselvesAfter we see the movie Back to the Future, almost everyone wants a pair of selftying shoes. Now, thanks to Nike, the shoe dream comes true. When you press a button, the shoes can tie themselves. The smart alarm clockHello SenseAn alarm clock, called Hello Sense, can improve your sleep. It can control the temperature, light and even air quality in your bedroom to help you have a perfect sleep environment. And it can record your sleep cycles.Sweet potatoes that could save livesThe lack (缺乏) of vitamin A can cause blindness and many other illnesses for illnesses. In subSaharan Africa, plant experts are helping them grow a kind of new sweet potatoes. These potatoes can help them fight against some illnesses.()1.The folding bike helmet is _A. thick and heavy Bmade from metalCnot as strong as a traditional one Dflexible enough to fold almost flat ()2.Which company makes selftying shoes?A. Adidas. BNike.CKappa. DLiNing.()3.The smart alarm clock can NOT _A. improve our sleep Bcontrol our weightCrecord our sleep cycles Dcontrol the temperature in the bedroom()4.If a child has a poor eyesight, he may be in the lack of _A. vitamin A Bvitamin BCvitamin C Dvitamin D()5.You can find the passage in a _A. newspaper BstorybookCguidebook Dcookery book详解详析.15ABCCB610DADBB.主旨大意 本文是一篇说明文。文章介绍了四个与生活相关的发明，头盔、自己系鞋带的鞋、智能闹钟和拯救生命的甜土豆。1D细节理解题。由表格第一栏中“but flexible