[单选题]已知单位向量满足,则的夹角为A.B.C.D.
[单选题]______ I admit that there are problems, I dont agree that they cannot be solved.A.AsB.IfC.WhileD.When
[单选题]I can not think where I’ve left my umbrella; my mind’s completely ________!A.blankB.emptyC.vacantD.mess
[单选题]At school, some students are activesome are shy, yet they can be good friendswith one another.A.whileB.althoughC.soD.as
[单选题]The reason ________ he didn’t come was _______ he was ill.A.why; thatB.that; whyC.for that; thatD.for which; what
[单选题]—?Many of us in our company have a ____ opinion of him.— But he is ____ spoken of by most of the leaders. [ ]A. bad; highly B. bad; high C. badly; high D. badly; highly
[单选题]Please leave your phone number ______ we can get in touch with you in case of emergency. ( )A. so that B. on condition that C. for fear that D. so long as
[单选题]My grandfather is as?____ as a young man and hates sitting around doing nothing all day.[ ]A. enthusiasticB. energetic C. talkative D. sensitive
[单选题]This restaurant wasnt that other restaurant we went to. [ ]A. half as good asB. as half good as C. as good as half D. good as half as
[单选题]When someone is hungry, he won’t be _______ about what he eats.A.specialB.particularC.unusualD.especial
[单选题] he is well again, he can go on with his English study.?[ ]A. Now that B. In caseC. So long asD. As far as
[单选题]Having cycled for two days, Howard at last arrived at ______ was a place famous for its beautiful scenery.A.whereB.thatC.whichD.what
[单选题]已知向量a=(12)2b=(10)2c=(3.4.若为实数,(b+Aa)⊥c,则( )A.311B.113C.2D.3-5
[单选题]-How are you getting along ________-Very busy.I always work until________ into the night.[ ]A.late; lately B.latter; lateC.lately; lateD.later; later
[单选题]All the candidates present at the conference have contributed to the development of our country, so they are each recognized specialists in their _________fields.A.respectiveB.respectedC.respectingD.respectful
[单选题]When he was asked about the question where he was last night, he was _____. [ ]A. at loss B. in a lossC. at a loss D. with losses
[单选题]What a table! Ive never seen such a thing before.It is _____ it is long.[ ]A. half not as wide asB. wide not as half asC. not half as wide asD. as wide as not half
[单选题]— It cost me 30 yuan to get here. — Well, it was crazy of you to take a taxi ____ you would come by bus as well.A. unlessB. when C. if D. because
[单选题]What had previously been regarded as ______ property was made collective in the Land Reform Movement.[ ]A. personalB. individual C. own D. private
[单选题]They are fighting _____ us _____ the enemy. ( )A. with; againstB. for; against C. with; for D. with; at
[单选题]His efforts to raise money forhis program were________because no one showed any intention totake a cent out of their pockets. [ ]A. in place B. in sightC. in effect D. in vain