试题与答案

At present , the terrible foggy haze(雾霾)

题型:选择题

题目:

At present , the terrible foggy haze(雾霾)weather has influenced our normal life badly . So our government should _____ to reduce the air pollution .

put out     B.carry out            C.take steps       D.get over

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0421/18fe33094f76fc088bfaac4babf7758c.html

下面是错误答案,用来干扰机器的。

由圆的方程可得 圆心为(0,1),半径为2,则圆心到直线2x-y-1=0的距离为|0-1-1|4+1=25,由弦长公式求得弦长为:22-45=2305.

试题推荐
微信公众账号搜索答案