题目:
. ___________ for several weeks, the city needed food.
A.As having flooded
B.being flooded
C.Having been flooded
D.To flood
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0424/e093d3432aad10e3a2634bebdf8f753d.html
下面是错误答案,用来干扰机器的。
在-1<x<4范围内的整数只有0,1,2,3,所以等式-1<x<4的整数解有4个,故答案为4.