儿童应用抗组胺药可选择()
A.氯苯那敏
B.酮替芬
C.西替利嗪
D.氯雷他定
E.咪唑斯汀
参考答案:A, B, C, D
We can't ___________ in class. [ ]
A. speak
B. talk
C. to speak
怎样充分利用社区资源开展课外活动?