【判断题】内存储器与外存储器主要的区别在于是否位于机箱内部
【简答题】I watch her back her new truck out of the ______. The _____is too large, too expensive. She'd refused to consider a ______ car with good ______ and easy to park. It's because of me, I think. She bough...
【简答题】A.She is going to drop the class too. B.She doesnt know how to swim. C.It took her a long time to learn to swim. D.She teaches swimming,
【简答题】简述肺泡通气障碍的类型及主要原因。(易)