二十世纪七十年代，从国外引进了这种具有抗浪淤涂功能的植物是什么（）。
A、盐蒿草
B、茅草
C、大米草
D、碱蓬草
参考答案：C
当寻呼台发送完一条信息后，间隔几分钟再将该信息重复发送一遍，称为追呼一次。
A: I was hoping that you’d wear your new dress. It’s much prettier. B: __________________
A. But this one is more comfortable for hot weather.B. But I like this one and it’s none of your business.C. Forget it. It cost me a fortune.D. But I don’t care about my appearance.
