麻疹的主要病变部位是()
A.肝肺
B.肺脾
C.心脾
D.肺肾
E.肝肾
参考答案:B
计算9.9×37的简便方法是( )
A.9×0.9×37
B.(10-0.1)×37
C.(10-1)×37
D.4.9×5×37
__________ good time we had during the May Day holiday!
A.What a
B.What
C.How
D.How a