乙醚的作用特点有()
A.对呼吸功能和血压几无影响
B.对心肝肾毒性较小
C.肌肉松弛作用较强
D.麻醉诱导期较长
E.麻醉苏醒期较长
参考答案:A, B, C, D, E
(2013·成都部分高中高三质检)How can Margot ________ from her illness in this room when it is so dirty and dusty?It will only make her worse.
A.suffer
B.recover
C.discover
D.return
拆装滚动轴承有哪些方法?