I can never forget the day ________ we worked together and the day ________ we spent together. A. when; which B. which; when C. what; that D. on which; when
What a wonder! They’ve finished _________half of the project in such a short time． A．no more than B．no less than C．not more than D．much less than
(本小题满分15分)已知A(1,1)是椭圆上一点,F1,F2,是椭圆上的两焦点,且满足 (I)求椭圆方程; (Ⅱ)设C,D是椭圆上任两点,且直线AC,AD的斜率分别为,若存在常
我们的共和国已经走过了60年的风雨历程，回首来路，我们心潮起伏。请以“国庆60年”为话题写一段文字。要求所写句子包含比喻、排比、对仗这三种
右侧漫画的哲学寓意是A．必须在改造主观世界的同时，改造客观世界B．必须坚持适度原则 C．必须牺牲个人利益去维护人民利益D．必须树立正确的
已知⊙O1、⊙O2的半径分别是、，若两圆相交，则圆心距O1O2可能取的值是…………………………………………………………………………………………（
历史是复杂的。有时吸取前人的历史教训会导致新问题的产生。下列史实能佐证这—看法的是（ ） A．秦二世而亡，汉推行郡国并行制 B
(湖北省钟祥六中2009年高三高考冲刺最后一卷) My son was badly hurt in a fire. After he 31 from a series of treatments, the doctors told him they would not do any operation for
