高二英语知识点：短语归类考点四what

　　【考点4】what 短语

　　① what if 如果……将会怎样?

　　② what for 为了什么，干什么用

　　③ what about... ……怎么样?

　　[例句] What if she finds out you've lost her book? 如果她发现你弄丢了她的书将会是怎样呢?

　　What did you do that for? 你干吗做那件事?

　　What about having a rest? 休息一会儿怎么样?【考例4】(2004全国卷I)

　　- Susan, will you please go and empty that drawer?

　　- ____?

　　A. What forB. What is it

　　C. How is itD. How come

　　[考查目标] 此题主要考查交际用语。

　　[答案与解析] A根据语境。答语中问的是目的。该句其实是个省略句，补全后的完整句子是：I go and empty that drawer for what。what提前构成疑问句就成了what for 或 for what。