幼儿急疹出疹常在发热后几天()
A.1~2
B.3~4
C.5~6
D.7~8
E.9~10
参考答案:B
He took off his coat, _____ all his pockets, but couldn’t find his key.
A.searched
B.searching
C.to search
D.searches
计划经济的理论认为,应该优先发展()。
A.农业
B.服务业
C.轻工业
D.重工业