as adv., conj & prep

　　作为主句的先行词;同样地;与……一样;

　　短语：

　　1. as a result 结果：

　　e.g. He works hard all day, as a result, he got a good mark in his English exam.

　　他整日努力学习，因此在英语考试中取得了优异的成绩。

　　2. as if 仿佛，好像：

　　e.g.He talks as if he knew about it. 他说起来好像知道这件事似的。

　　3.as long as 只要，和……一样长：

　　e.g.You will do well in your English study as /so long as you keep on.

　　只要坚持下去，你一定能学好英语 。

　　4 as…as…(用于比较)与…一样;

　　e.g. Tom is as tall as his brother. 汤姆和他弟弟一样高。

　　5. as well 也;

　　e.g. My class went to the cinema and I went there as well.