为中毒严重者洗胃时,最适宜的体位是
A.俯卧位B.右侧卧位C.坐卧位D.屈膝仰卧位E.左侧卧位
参考答案:E
If they had known what was coming next, they _____ their mind. [ ]
A. may change
B. could change
C. must have changed
D. might have changed
在我国,未成年工不得从事体力劳动强度分级中的().
A.第一级强度劳动
B.第二级强度劳动
C.第三级强度劳动
D.第四级强度劳动