根据句意、英文释义及汉语提示写出单词。1. Now the air isn't cl

题目内容：

根据句意、英文释义及汉语提示写出单词。

1. Now the air isn't clean in this city. There is air _______ here and there.

2. Your hands look so ________ (脏). Go and wash them.

3. He doesn't study hard, so he often ________ (doesn't pass) in the exam.

4. Please set us a good ________. (榜样)

5. Don't _______ (make fun of) at the weak. We should go to help them.

最佳答案：

1. pollution 2. dirty 3. fails 4. example 5. laugh

答案解析：

该题暂无解析

考点核心：

根据最新人教版版和牛津版的初中英语教材的词汇量，一个水平较高的初中毕业生的词汇量应在2400左右。初中的单词和词组词汇量要求数量会不断增长。