The doctors in Shenzhen did all they ______ to save Yao Beina, a famous singer, but she still died. A. would B. could C.
下图为“美国铜矿资源开发布局图”，读图完成以下2题。 1．粗炼厂和精炼厂分别属于
下列化学方程式的表达一定不正确的是 A.2Fe + 6HCl = 2FeCl3 + 3H2↑ B. BaCl2+ CuSO4 = BaSO4↓+ CuCl2 C.SO3 + 2NaOH = Na2SO4 + H2O D.
已知函数y=tan（2x+）的图象过点（,0）,则可以是………（ ）A.－ B. C.－
(10分)固体碘在水中溶解度很小，实验室配制较浓的“碘水”时常将固体碘溶于一定浓度的KI溶液中。已知：I2与KI溶液发生如下反应：I2(aq)＋I¯(aq) I3¯(aq)
I remember _____ word he said that day. A. all B. both C. each D. every
The way he had the problem _____his ability. A.setting showed B. settled showing C. settled showed D. settled showing
夏日的东北平原，如汐似潮的绿色铺向天际，空气中弥漫着清新的气息。二道河农场千顷大田里，齐刷刷的稻苗迎风摇曳，农用“银鹰”低飞在作物上
