猩红热的好发年龄哪种说法正确( )
A.2~8岁B.3~12岁C.1岁左右D.任何年龄E.2~5岁
参考答案:A
I don't like this pair of glasses at all. Please show me _________. [ ]
A. the other one
B. the other pair
C. another one
D. another pair
下列微粒中不能破坏水的电离平衡的是:
A.Na HSO4
B.Al3+
C.CO32-
D.K+