8.Low-achievingstudentstendtobemoredependentonclassmates,buthigh-achievingstudentsgenerallyengagemoreoftenin________interactionswithclassmates.
A. reckless
B. respective
C. routine
D. reciprocal
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9.Hewasnottrustedtoreflecttheviewsofotherofficials,andthepresidentneverreallyputhim________managingtheoverallpolicymakingprocess.
A. intheroleof
B. inchargeof
C. inthehandsof
D. inpowerof
10.Whenputincontrolofpricing,customersareinfactnotruledbygreedalone.________,theyseemmoreinclinedtopaymoreandlessenthusiasticabouttaking.
A. Ifanything
B. Ifsomething
C. Whenanything
D. Whensomething
11.Whywasheinsuchahurrythathecouldn'ttakethetimetostopatthehotelandrecoverfromhisobviouslyunpleasantflightbeforehe________business?
A. camedownfrom
B. cameoutof
C. gotdownto
D. gotinfrom
12.GPSvirtuallytellsdrivershowtogetwherethey'regoing,so________botherstoppingandaskingarealpersonfordirectionswhenagadgetcandothetrick?
A. where
B. why
C. which
D. what