【考點4】what 短語

　　① what if 如果……將會怎樣?

　　② what for 為了什么，干什么用

　　③ what about... ……怎么樣?

　　[例句] What if she finds out you've lost her book? 如果她發現你弄丟了她的書將會是怎樣呢?

　　What did you do that for? 你干嗎做那件事?

　　What about having a rest? 休息一會兒怎么樣?【考例4】(2004全國卷I)

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

　　- ____?

　　A. What forB. What is it

　　C. How is itD. How come

　　[考查目標] 此題主要考查交際用語。

　　[答案與解析] A根據語境。答語中問的是目的。該句其實是個省略句，補全后的完整句子是：I go and empty that drawer for what。what提前構成疑問句就成了what for 或 for what。