第7题: [单项选择]While nuclear weapons present grave _________ dangers, the predominant crisis of overpopulation is with us today. A. inevitable B. constant C. overwhelming D. potential 参考答案:D 答案解析:[译文]尽管妆武器是严重的潜在危险,可是现在我们人口过多的危机更明显。
[题解]形容词辨义:inevitable“难以避免的”;constant“经常的,稳定的”;overwhelming“势不可挡
第14题: [单项选择]You ______ television. Why not do something more meaningful A. always watch B. are always watching C. have always watched D. have always been watching 参考答案:B 答案解析:[考点] 时态
[解析] 这是一道语法题。在这里现在进行时不是表示某个动作正在进行,而是指说话者的强烈不满,感情色彩浓厚。