必修1Unit1FriendshipⅠ
单项填空1.Therewas________inhistory________blackslavescouldbeboughtandsoldinAmerica
A.thetime;thatB.atime;whenC.time;thatD.time;when解析time与不定冠词a“”连用,表示一段时间,本句后半句是when引导的定语从句
答案B2.Havingretired(退休),he________theclubforoldmenandplayschesseverydaythere
A.takespartinB.joinsinC.attendsD.joins解析takepartin和joinin后面都跟某项活动;join后跟某一组织
俱乐部是一种组织,所以应用join
答案D3.Scientistssayitmaybe5or10years________itispossibleforpeopletofindaspacestationonthemoon
A.sinceB.beforeC.afterD.when“解析句型Itbe+一段时间+before
”“……”表示过了多长时间后才,故选B
答案B4.Seeingthelooksontheirfaces,wecan'treallyimaginewhattheyare________
A.goingbyB.goingupC.goingthroughD.goingon解析句意:看到他们脸上的表情,我们真的无法想象他们经历的事情
gothrough表“”示经历;经过
答案C5.Thechildaskedhismother________goouttoplaytennis
A.thathecouldB.ifhecouldC.whethercouldheD.thatcouldbe