我国的自治区有( )
A.5个
B.4个
C.3个
D.6个
我国共有34个省级行政单位,包括23个省、5个自治区、4个直辖市和香港、澳门两个特别行政区.
故选:A.
气管插管后,最理想的气管套囊压力应维持在()
A.8~10mmHg
B.11~14mmHg
C.15~22MMHg
D.23~25mmHg
E.26~30mmHg
-- are the blue hats on sale?
-- They are on sale for 100 dollars. [ ]
A.What
B.How long
C.How many
D. How much