A. TV as the sustainer of American life B. TV as the major transmitter of culture C. the educational effect of TV on society D. the strong influence and the poor quality of American TV 参考答案:D 答案解析:[解析] 第二段主要是讲电视对人们生活的重大影响及电视水平的质量差,D选项最符合题意。
第3题: [多项选择]下列属于先兆临产的症状是() A. 见红 B. 假临产 C. 胎儿下降感 D. 胎膜破裂 参考答案:A,B,C