1、By law, when one makes a large purchase, he should have adequate opportunity to change his mind.

　　A. accurate　　B. urgent　　C. excessive　　D. sufficient

　　2、Achieving a high degree of proficiency in English as a foreign language is not a mysterious ______ without scientific basis.

　　A. process　　B. practice　　C. procedure　　D. program

　　3、The generation ______ makes it difficult for parents to understand their children's opinions.

　　A. division　　B. gap　　C. separation　　D. interval

　參考答案&解析：

　　1、D　句意：根據(jù)法律規(guī)定，當(dāng)事人購(gòu)買(mǎi)一大批貨物時(shí)，他是有權(quán)利改變主意的。accurate的意思為“精確的”，urgent的意思為“緊急的，眼前的，急迫的”;excessive的意思為“過(guò)分的，過(guò)多的”;adequate和sufficient為充足的。

　　2、A　process過(guò)程;practice實(shí)習(xí)，練習(xí)，開(kāi)業(yè);procedure程序;program課程，計(jì)劃，大綱。

　　3、B　generation gap 代溝;division分，劃分;separation分開(kāi);interval間隔，間隙;(幕間或工間)休息。at intervals 不時(shí)，時(shí)時(shí)。