单项选择题
A.难道你不认为该停下来准备明天关于如何从外表来判断一个人的演讲了吗 B.难道你不认为你该停下来准备明天关于如何从脸色来审判一个人的讲话了吗 C.难道你不认为你该停下来去准备明天关于如何以貌取人的演说了吗 D.难道你不认为到了你该停止准备明天关于不要以貌取人的演讲的时候了吗
A．too much exposure to TV viewing is negative to people’s intellectual well-being B．too much exposure to TV viewing makes people simple-minded C．TV attracts people with exciting pictures D．TV keeps people informed about current events
A．blue-collar workers worked harder than white-collar workers B．white-collar workers had little difficulty getting good jobs C．there were more white-collar workers than blue-collar workers D．colleges and graduate schools trained more skilled workers than now