41.Hisproposalisvery_______.Wedonotneedanyexplanation.
A.concreteB.loyalC.greyD.draft
42.Thisisa_______computer,whichwejustboughtforourresearch.
A.detectiveB.luggageC.digitalD.grave
43.Thetwopicturesare_______.Wedon'tknowwhichisthecopy.
A.identicalB.likelyC.limitedD.resemble
44.Ifyoudon'twanttowashyourjacket,youmaysendittoa_______.
A.participantB.planetC.laundryD.ribbon
45.Ifthe_______inthetestistoosmall,wecannotgetagoodresult.
A.sampleB.percentC.leisureD.flight
46.Iamvery_______.Youmaytellmeyoursuggestion.
A.fogB.debateC.cultureD.flexible
47.Thisisaverybighotelanditcan_______morethan1,000people.
A.accommodateB.displayC.faintD.loaf
48.ProfessorLi_______indoinghisexperimentfornearlytenyears.
A.insistedB.piledC.persistedD.split
49.Thenewplanis_______andeverybodypresentagreeswithit.
A.feasibleB.adventureC.appendixD.camel
50.Pleasebe_______.Yourquestionistoogeneral.
A.limitedB.narrowC.specificD.thorough