The man____ the shop said we could have two days off. A. in charge of B. in the charge of C. take charge of D. take the charge of
(2010·天津蓟县下营中学高三第一次模拟) 1. National holiday is _____ time for leisure. But making good use of _____ time is not easy for most Chinese. A. a; a
分子式为C10H14的二取代芳烃(即苯环上有两个侧链),其可能的结构有( ) A.6 B.9 C.15
19世纪60—90年代,一个学成回国的留学生想到当时的军事企业中去工作,你认为他应进哪一家企业? A.开平矿物局
俄国农奴制改革是农奴主实行的资产阶级性质的改革,其主要依据是 A.改革是由农奴主领导实行的 B.改革是由资产阶级领导的 C.改革使俄国走上资
The car ______ at the present speed until it reaches the foot of the mountain at about the o’clock tonight.A. would goB. wentC. will be goingD. goes
对于命题“如果∠1+∠2=90°,那么∠1≠∠2”,能说明它是假命题的反例是( ) A.∠1=50°,∠2=40°
下列醇中能由醛加氢还原制得的是 A.CH3CH2CH2OH B.(CH3) 2CHCH(CH3) OH C.(CH3) 3COH D.(CH3) 2CHOH