Finding her car stolen, ___________. A. a policeman was asked to help B. the area was searched thoroughly C. it was looked for everywhere
It was from only a few supplies that she had bought in the village _______ the hostess cooked such a nice dinner.（ ） A. where B. that C. when D. whic
His efforts to raise money for his program were ______ because no one showed any intention to take a cent out of their pockets. A. in place B. in sight C. in effect D. i
下图A是一种用于显示事物异同点的信息处理方法。两个椭圆分别代表金刚石和石墨的有关信息，两椭圆重叠的区域表示金刚石和石墨的共同特征，重叠
(2011年佛山模拟)荀子曰：“蓬生麻中，不扶自直；白沙在涅，与之俱黑。”从文化对人的影响角度看，下列典故和成语体现的道理与之一致的是( ) ①孟
李白的诗豪迈奔放、清新飘逸。而杜甫的诗沉郁悲怆、语言凝重，导致二人不同的创作风格的主要原因是A.对祖国山河的感触不同 B.所
胡主席同志在十七大报告中指出，我们所要建设的和谐文化是建立在现代化基础上的和谐文化，是建立在社会主义经济基础之上的和谐文化，是与社会
如图所示，是研究电流热效应的部分实验电路，甲电阻丝的阻值小于乙电阻丝的阻值。比较通电后两根电阻丝各自两端的电压U甲、U乙以及它们在相同时
＞2成立的充要条件是__________. 
均大于0，
≠
，∴a2≠b2.∴a≠b.