28.ALIghtisnotanessentialmileslong
17.D,Theprofessor’ssuggestionisconstructive
25.D,Itcanbeagoodthing短文听力
58.BTheyareofaninferiorsocialgroup
21.C,everyMonday,lastingfor12weeks
22.A,whattobringforregistration.
33.AManytediousjobscontinuetobedonemanually.
14.B,hecanprovidelittleusedinformation
26.CLiveisnotpossibleinouterspace.
30.DSheasksthemtorepeatwhattheyaresupposedtodo.