Take a taxi,___________ you'll miss your train. A. in B. during C. throughout D. within
2.下列各句中,没有语病的一句是( ) A. 日前,银监会关于规避监管、乱收费用、滥用通道等市场乱象,作出了25件行政处罚决定,罚款合计4290方元
下列由相关实验现象所推出的结论正确的是( ) A.纯碱溶液和烧碱溶液均呈碱性,说明二者均属于碱 B.Cl2、SO2均能使品红溶液褪色,说明二者均有
I didn’t go to the film with him because I was quite busy_____. A. for a moment B. for the moment C. at a moment D. at the moment
空气是生命赖以存在的物质基础,也是人类生产活动的重要资源。下列有关空气的说法正确的是( ) A.空气中分离出的氮气化学性质不活泼,可作食品
0.8 [∵X~N(1,σ2),且P(0<X≤1)=0.4,∴P(0<X≤2)=2P(0<X≤1)=0.8.]
--- Who are you e-mailing? --- My cousin who ________ to Fudan University the year before last year. A. had been admitted B. is admitting C. has admitted D.
(每小题4分,共8分)(1)计算:; (2)解方程:(3x+2)2-4=0