例析历年高考试题 归结as难点用法河南 谢奎金来源:2009 年上半年试题与研究单词as词形简单,但用法复杂,可作副词、替代词、关系代词、从属连词和介词。还可与其他词汇结合构成诸多搭配,故as一直是高考热点,也是广大考生复习备考的难点。现结合考题,剖析难点,以飨读者。一、用作介词,as与like用法区别例1 Lets learn to use the problem we are facing _ a stepping-stone to future success.( NMET 2008全国卷)A. to B. for C. as D. by解析 C。as作介词表“作为”,常接在treat/regard/recognize/use等动词之后;而like表“像一样”。试比较:(1)He is a child, and must be treated as such.他年幼,应该当孩子对待。(2)He acted like a child, whil