题目内容：

 

1.This kind of drug can p_________ children from mosquitoes.

2.The noise outside a__________ our study.

3.The farm covers an a_________ of 30 mu.

4.I have a pain in my s__________ as I ate a green grape just now.

5.The little baby should stay away from i__________.

6.Sea water __________ (含有) salt.

7.The road is covered with thick __________ (泥土).

8.I have not heard from my brother ___________（最近）．

9.The tiger is a __________ (凶猛的)animal.

10.The little girl loves collecting __________ (蝴蝶).