四级词汇与语法特训(109)

　　考试成绩好的同学最大的成功经验就是多做练习题，对于大学英语四级词汇来说也是如此，词汇题往往不太好把握 　　1.Critics believe that the control of television by mass advertising had ______ the quality of the programs. 　　2.The manager urged his staff not to ______ the splendid opportunity. 　　3.Many a player who had been highly thought of has _____ from the tennis scene. 　　4.The _____ of airplane engines announced a coming air raid. 　　5.The economic crises in that country have _____ the stability of the government. 　　effected escape affected disposed 　　threatened disappeared roar miss 　　答案与解析： 　　1.。有批评家认为，电视被大量的广告所控制，这影响了节目的质量。 　　2.。经理敦促它的员工不要错过这个大好机会。 　　3.。许多曾经被高度评价的选手已从网球场上消失了。 　　4.。飞机引擎的轰鸣声宣布了空袭的来临。 　　5.。那个国家的经济危机已经威胁到政府的稳定。