高一數(shù)學(xué)網(wǎng)校輔導(dǎo)

　　2. why在句中是關(guān)系副詞，引導(dǎo)定語從句，修飾先行詞reason，同時它在定語從句中作狀語，此時why = for which，但要注意：關(guān)系詞在定語從句中作主語或賓語時，要用關(guān)系代詞that或which。

　　【考例】Is this the reason ____ at the meeting for his carelessness in his work?

　　A. he explained B. what he explained

　　C. how he explained D. why he explained

　　[考查目標(biāo)]定語從句。

　　[答案與解析]A what，how不能引導(dǎo)定語從句，排除B、C兩項;the reason在定語從句中作explained的賓語，可填that / which，或者也可以省略。

　　2. Many people who saw the film were afraid to swim in the sea when they remembered the scenes in which people were eaten by the shark. 好多看過這個片子的人一想起片中鯊魚食人的場面.就不敢下海游泳了。