第1个回答 2012-07-04
“我认为掌握一定急救知识是很重要的,它能帮助我们更好的保护自己”
------ I think that it is important to know about emergency measures because they can better help us ( to) protect ourselves.
第2个回答 2012-07-04
In my opinion, it is significant to have some first aid at command, which can help us protect ourselves better.
第3个回答 2012-07-04
I think it important to master a certain amount of first aid because it can help us protect ourselves better.