引起意识和感觉分离的麻醉药是()
A.硫喷妥钠
B.氯胺酮
C.依托咪酯
D.恩氟烷
E.氧化亚氮
参考答案:B
— Have you seen the CCTV news on TV?
— Yes, children had a good festival on the Children's Day. [ ]
A. millions of; sixty
B. ten million; sixty
C. millions of; sixtieth
D. ten millions; sixtieth
根据总体单位标志的性质,总体可以分为变量总体和()两种。