小儿缺乏卫生知识，易于误食一些被污染的食物，引发的病证是（）
A.水肿
B.咳喘
C.厌食
D.腹痛
E.紫癜
参考答案：D
用所给单词的适当形式填空。
1. Frank ______ (bring) some interesting books to me.
2. Where ______ Lisa ______ (come) from?
3. His uncle ______ (learn) French now.
4. The little boy is very ______ (fun).
5. I ______ (think) how to answer the question.
六国古文
