打捞作业起钻,禁止用()卸扣。
参考答案:转盘
There _____ many new words in lesson one, so it is very easy.[ ]
A. is
B. aren't
C. isn't
D. are
男性,60岁,肥胖。睡眠时频繁翻身,肢体运动,时而惊醒,突然又落枕而睡,鼾声响亮,有时家人发现口鼻气流停止。自觉困倦无力,晨起头痛,记忆力、判断力下降。
目前常用的有效疗法是()
A.经鼻持续正压气道通气
B.经口持续正压气道通气
C.经鼻持续负压气道通气
D.经鼻间断正压气道通气
E.经口间断正压气道通气