2020_2021学年八年级英语下册Unit4TheInternetConnectsUsLessons19_21课时作业新版冀教版20210617169.docx

UnitUnit 4 4 LessonsLessons 1919 2121.完形填空Computers are now as commonly used in business as the telephone.Therefore,its important thatpeople know how to1them efficiently(有效地).Now,you and your whole team are2to do thison your computer in the simplest waytaking our online courses.And then you can learn and practice3yourself.The person who4on the screen acts as your teacher,guiding you through the tasks5explaining everything.Then more difficult exercises allow you to practice the things you have learnedand6your understanding.7courses are excellent value(价值)only 69.99 pounds.You can8yourself money if youbuy the complete collection of seven courses.This is now available at the retail(零售)9of 410pounds.You can make a10saving of 10%by ordering the complete collection within the next thirtydays.()1.A.makeB.useC.travelD.imagine()2.A.ableB.lazyC.strictD.terrible()3.A.toB.inC.byD.on()4.A.appearsB.disappearsC.inventsD.hides()5.A.ifB.butC.andD.nor()6.A.testB.missC.killD.throw()7.A.TheseB.EachC.EveryD.Either()8.A.changeB.saveC.teachD.steal()9.A.moneyB.worthC.shopD.price()10.A.thinnerB.furtherC.simplerD.easier.阅读理解Its reported that twenty-one online video platforms had introduced an anti-addiction system(防沉迷系统)by the end of May,2019.This system aims to protect teenagers and make sure of their healthydevelopment.Three short video platformsDouyin,Kuaishou and Huoshan,have already started the anti-addictionsystem since March,2019.Under the system,when users open an online video app for the first time each day,a pop-up window(弹窗)will direct them to a teenager mode.The mode will limit the users online time and access to videocontent(查阅的权利).Since the system was introduced in March,2019,around 460 million users have received dailyreminders,and 52.6 million of them have chosen the teenager mode.At the same time,video platforms are asked to improve their monitoring of the uploaded video content.They should offer users films,TV series and videos of quality and educational content.The officialsays that the anti-addiction system will also be used in online livestreaming platforms(直播平台)inthe future.Nowadays,Chinese young people spend a lot of time on their smartphones every day.Entertainmentlike social messaging,surfing and live streaming has become a big part of their lives.Therefore,itis very important to protect them from harmful content.()11.Why was an anti-addiction system introduced?A.To make short video platforms more popular.B.To give teenagers more freedom on the Internet.C.To make short video platforms make less money.D.To make sure of teenagers healthy development.()12.Which of the following video platforms isntmentioned?A.Douyin.B.Kuaishou.C.Huoshan.D.Douyu.()13.What is a pop-up window used to do?A.To limit the users online time.B.To limit access to video content.C.To direct users to a teenager mode.D.To direct users to open a video app.()14.Whats the meaning of the underlined word“reminders”?A.提醒B.化解C.行为D.发展()15.Whats the best title of the passage?A.An anti-addiction systemB.Three short video platformsC.Online livestreaming platformsD.What harmful video platforms!答案.1.B2.A句意:现在你和你的整个团队能在电脑上以最简单的方式做这件事上网上课程。able 意为“有能力的”;lazy 意为“懒惰的”;strict 意为“严格的”;terrible 意为“可怕的”。be able to 意为“能够”。故选A。3.C4.A5.C6.A句意:然后更难的练习允许你练习你学到的东西,并且测试你的理解力。test 意为“测试”;miss 意为“错过;想念”;kill 意为“杀死”;throw 意为“扔”。由句意可知选 A。7.A8.B句意:如果你买了全套七门课,你可以省下自己的钱。change 意为“改变”;save 意为“节省”;teach 意为“教”;steal 意为“偷”。由句意可知选 B。9.D10.B.主旨大意 据报道,截至 2019 年 5 月底,已有 21 家网络视频平台推出了一套防沉迷系统。这一系统旨在保护青少年,确保他们的健康成长。11.D细节理解题。由第一段的最后一句“This system aims to protect teenagers and make sure of theirhealthy development.”可知,之所以推出防沉迷系统,是为了确保青少年的健康成长。故选 D。12.D细节理解题。由第二段可知,本文只提到了抖音、快手和火山三个短视频平台,但没提到斗鱼。故选 D。13.C细节理解题。由第三段第一句“a pop-up window will direct them to a teenager mode.”可知,弹窗是用来引导用户开启青少年模式的。故选 C。14.A词义猜测题。画线词下一句的意思是“其中 5260 万人选择了青少年模式”。由常识可知,用户应该是先收到提醒,然后再进行选择。由此推出画线单词的意思是“提醒”。15.A主旨大意题。本文主要介绍的是一些在线视频平台推出了防沉迷系统。该系统能够使青少年进入安全健康模式,这在一定程度上有利于青少年的健康成长。故 A 项最能概括本文主旨。