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.
[a]effected [b]escape [c]affected [d]disposed
[e]threatened [f]disappeared [g]roar [h]miss
答案与解析：
1.[c]。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.[h]。经理敦促它的员工不要错过这个大好机会。
3.[f]。许多曾经被高度评价的选手已从网球场上消失了。
4.[g]。飞机引擎的轰鸣声宣布了空袭的来临。
5.[e]。那个国家的经济危机已经威胁到政府的稳定。