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温馨提示:此套题为Word版,请按住Ctrl,滑动鼠标滚轴,调节合适的观看比例,答案解析附后。关闭Word文档返回原板块。课时提升作业(二十)Ⅰ.单项填空1. difficultandchallengingthetaskmaybe,wemustfinishitontime,becausethereisapossibility ourworkwillgodowninhistory.A.Whatever;that B.However;asC.Whatever;whichD.However;that2.Don’t tothepublicwhenwewillstartourproject.A.giveoff B.giveawayC.giveinD.giveback3.(2013·盐城模拟)Toourpuzzlement,thewrittenrecordofourconversationdoesn’t whatwasactuallysaid.A.submittoB.correspondwithC.contributetoD.caterto4.Mostinstitutionsprovidecourseswhich newstudentsindevelopingtheskillstheyneedtobesuccessful.A.prevent B.require C.assist D.forbid5.Onlyinthiswaycanyoube yourcarelessness.A.curedB.treatedC.gotoverD.curedof6.(2013·合肥模拟)Expecteverythingtogowrong ,andyouwon’tfeelquitedownwhenitdoes.A.inadvanceB.invainC.