unit 2 cloning grammar课时作业 跟踪训练.语境填词1.The UN would play a major role in (monitor) a ceasefire(停火).2.Newspapers seized on the results as proof that (globe) warming wasnt really happening.3.Li ming (发邮件) me to say he couldnt come.4.The (calculate) was difficult，but we finally worked it out.5.We are particularly grateful to him for his (time) help.单项填空6.Some students are so with the computer game that its affecting their studies.A.addicted B.obsessedC.absorbed D.devoted7.Come and see me whenever .A.you are convenientB.you will be convenientC.it is convenient to youD.it will be convenient to you8.My phone was and I didnt realize it until this morning.No wonder I couldnt get through last night.A.out of date B.out of placeC.out of order D.out of reach9.The country has already sent up three unmanned spacecraft，the most recent at the end of last March.A.has been launchedB.having been launchedC.being launchedD.to be launched10.The lovely boy likes to with his friends on the Internet.A.see B.say C.share D.chat.完形填空We all love our parents and turn to them when were in need，but would you like them to hear the 1 you have with your friends in the school playground or lunch queue？Social networking sites，such as microblog，blog and the Facebook，have actually become 2 of the school hallways(走廊)，so would you add your parents as “friends” and allow them to 3 your online 4 and conversations with friends?In the past the generation gap included a technology gap，where children were 5 with latest technology and parents were left behind，content to continue their daytoday lives as they always had because they had no 6 to be good at new technology. 7 ，more and more parents are beginning to 8 just how important social networks are in their lives.This realization has given many parents the 9 to educate themselves about social networking sites.These days many people are 10 to social networking sites because they can choose who they have around them；theres also a certain amount of control over 11 that we dont get in real life.Sometimes we feel that privacy is 12 when we must accept a “friend” request from a parent or family member.Its a difficult choice whether or not to allow a parent to become a part of our 13 lives.On the one hand we dont want to “refuse” their request because that might hurt their feelings or make them feel you have something to 14 .On the other hand if you do accept，then you could have a(n) 15 of being watched and no longer feel 16 to comment or communicate the way you did before.A recent survey suggested that parents shouldnt take it personally if their child ignores their request.When a teen ignores a parents friendly request，it doesnt 17 mean that they are hiding something，but it could mean that this is one part of their life where they want to be truly 18 .Perhaps talking with parents and giving explanations would help soften the 19 if you do choose not to 20 them to your friends list.1.A.quarrels B.conversationsC.debates D.bargains2.A.explosions B.focusesC.extensions D.definitions3.A.spread B.decideC.repeat D.view4.A.habits B.activitiesC.images D.shows5.A.in association B.in conflictC.side by side D.up to date6.A.need B.choiceC.money D.time7.A.However B.IndeedC.Thus D.Otherwise8.A.advocate B.realizeC.deny D.doubt9.A.excuse B.abilityC.motivation D.chance10.A.exposed B.attractedC.adapted D.committed11.A.privacy B.privilegeC.personality D.process12.A.interpreted B.interactedC.insulted D.invaded13.A.school B.onlineC.family D.social14.A.avoid B.dislikeC.hide D.refuse15.A.guilt B.memoryC.sense D.obligation16.A.worried B.satisfiedC.real D.free17.A.nevertheless B.necessarilyC.possibly D.entirely18.A.independent B.availableC.popular D.responsible19.A.voice B.hatredC.result D.blow20.A.show B.applyC.add D.force.阅读理解Australian electronics and homewares retailers are preparing for the invasion(涌入) of American giant Amazon，but some have decided to take the fight up to the onlinebased store when it comes to local shores.Last week，Amazon confirmed its rapid Australian expansion by announcing that it was searching for a site to build its “fulfillment center”a large warehouse(仓库) for storing and shipping goods purchased onlinebut local retailers，including one of Harvey Normans founders Gerry Harvey，have said they will make it hard for Amazon to succeed in Australia.Harvey Norman sells electronics，furniture and beddingall markets in which Amazon hopes to hold a stake，but Harvey has said that he will happily go toetotoe with the American behemoth to hold his ground in the Australian market.“In America and other parts of the world，they have just demolished(彻底打败) other retailers，no