训练13(时间:45分钟)Ⅰ
介副词填空1.EversinceNeilArmstrongfirstsetfootontheMoonbackon21stJuly,1969,peoplehavebecomeaccustomed________theideaofspacetravel
2.MillionsofpeoplewatchedthefirstmoonlandingonTV,theirheartsintheirmouths,aware________howdifficultanddangerousanadventureitwas
3.Thesinglespaceshipswereveryexpensiveastheycouldnottake________morethanonce
4.Peoplewerenolongersoenthusiastic________aspacetravelprogrammethatwascostingtheUnitedStates$10millionaday
5.________thetimetheChallengertookoffin1986,theworldseemedtohavelostitsfear
6.Anordinaryteacher,whowasmarried________twochildren,wastobethefirstcivilianinspace
7.Theworldwas________shock—maybetheyassumedthisspaceflightwouldbenomoredangerousthangettingonanaeroplane
8.Then,littlemorethanaminuteaftertakeoff,wesawastrangeredandorangelightinthesky,fol