第3题: [单项选择]After thirty years of television, people have become "speed watchers". Consequently, if the camera lingers, the interest of the audience ______. A. broadens B. begins C. varies D. flags 参考答案:D 答案解析:(flag衰退)。句意为:享用了30年的电视以后,人们已成为“观察速度的人”。因此,如果电视摄影机拖延时间,观众的兴趣就会趋向低落。A.broaden变宽;B.begin开始;C.vary变化,变异。