I met her, but ____. A.forget telling her about it B. forgot to be told her about it C. forgot to tell her about it
下列说法正确的是( )A.置换反应一定属于氧化还原反应B.分解反应均不属于氧化还原反应C.复分解反应有的属于氧化还原反应D.化合反应有的属于
经过M(2,1)作直线L交双曲线于A、B两点,且M为AB的中点, (1)求直线L的方程;(7分) (2)求线段AB的长。 (6分)
设数列为公比的等比数列,若是方程的两根,则___▲ __.
阅读理解。 George and Ken went to the station to take train to London. George bought two tickets. The train will leave at 8:20 on Platform Two. Ken said” its 7:57. We have a lot of time. Let
阅读短文,回答问题 My name is Daisy. Let me tell you something about my family. I live w______ my mother and father in a flat. The flat is on the fifth floor of a tall building. There are
下列说法正确的是( ).①三角形的三条中线都在三角形的内部; ②三角形的三条角平分线都在三角形的内部;③三角形的三条高都在三角形的
中国古代科技的特点不包括( ) A.中国古代科技大多在经验技能方面领先于西方 B.中国科技成就属于经验和描述的范畴 C.中国科技建立直观的观察