1.You have nothing to____ by refusing to listen to our advice

　　.A) gain B) grasp C) seize D)earn

　　答案：A gain 表示“收益，得到”，符合題意。抓住(B)，奪取(C)和掙得(D)，不符合題意。

　　2.Now the____ between the rich and the poor countries has become even wider.

　　A) different B) differ C) gap D)distinction

　　答案：C different 不同的，為形容詞。differ與……不同，差別，為動詞。句中需要的是主語，故A、B均錯。gap 差異，差距。distinction 區(qū)別。由rich與poor可知為貧富差異，應(yīng)選C，句意：現(xiàn)在貧國與富國間的差距已變得越來越大。

　　3.The little boy____ his hiding place when he coughed.

　　A) gave away B) gave off C) gave up D) gave in答案：A give away“贈送;泄露”。give sth. off“釋放，發(fā)出(氣味等)”。give up “停止，放棄，辭去”。give in“認輸，讓步，屈服;交上，呈上”。The rebels were forced to give in. 叛軍被迫投降。本句意為：小男孩的咳嗽聲暴露了他的藏身之處。

　　4.The floor was so rotten that it almost ____ under his weight.

　　A) gave away B) gave over C) gave way D) gave up

　　答案：C give away“泄露;捐贈”。give over“停止;交付”，give way“不能支持，塌下去”。give up“放棄;辭去”。地板爛成這樣子，都快被他的體重壓塌了。

　　5.Ever since the rise of industrialism. education has been____ towards producingworkers.

　　A) harnessed B) hatched C) motivated D) geared

　　答案：D gear(to) 使適合：we have to gear our lives to the new changes. harness 控制和利用(自然力以發(fā)電) 。hatch 孵化;炮制，制定。motivate 是……的動機，引起，驅(qū)使。