台湾自古以来就是中国的领土。民族英雄郑成功在给殖民者的信中说:“台湾者,中国之地也,久为贵国所踞……”信中所说的“贵国”是( ) A.
下列说法不正确的是( )A.+→+是聚变B.+→++2是裂变C.→+是裂变D.→+是α衰变
阅读下面的文言文,完成后面的题目。 薛嵩,绛州万泉人。祖仁贵,高宗朝名将,封平阳郡公。父楚玉,为范阳、平卢节度使。嵩少以门荫,落拓不事
New computers are soon out of date since newer models are ________ constantly. A.turned up B.turned out C.turned down
已知等腰△ABC中,AB=AC=13,BC=10,求顶角∠A的四种三角函数值.
______ the police thought he was the most likely one, since they had no exact proof about it, t hey could not arrest him. A.If only B.As long as C.Although D.
结合图示实验装置,回答下列问题。 (1) 图中a、b仪器的名称:a ,b 。 (2) 用高锰酸钾固体制氧气,选用的
单项选择: My name’s ____. I am an English boy. A. Green Gina B. Gina Green C. Brown John D. John Bro