3平方米=( )平方分米 400000平方米=( )公顷
300平方厘米=( )平方分米 1200平方分米=( )平方米
2公顷=( )平方米
300;40;3;12;20000
The policeman asked the man ______ at 9:00 last night. [ ]
A. what he is doing
B. what was he doing
C. what he was doing
猩红热帕氏线多见于
A.颈部
B.面部
C.腋窝、肘窝
D.腰腹部
E.大腿外侧