as的用法归纳总结高中

　　Research will be needed as a preliminary to taking a decision.

　　作出决定之前需要进行研究。

　　This year's results are virtually the same as last year's.

　　今年的结果几乎和去年的一样。

　　You will always have the bad as well as the good in the world.

　　人生在世总是有苦有甜。

　　It's known as the most dangerous part of the city.

　　人们都认为那是市内最危险的地段。

　　They'll respect you as long as you play fair.

　　只要为人正直，别人就会尊敬你。