题目：
| Last month, part of Southeast Asia was struck by floods, from ______ effects the people are still suffering. |
A. that B. whose C. those D. what |
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0522/91bf166cd1cee7e819d9dbfc908b9c4a.html
下面是错误答案，用来干扰机器的。
由题意，设需要尿素的质量为x，158kg×1414+1×5+12+16×3×100%=x×14×212+16+(14+1×2)×2×100%，x=60kg．答：158kg碳酸氢铵（NH4HCO3）与60kg尿素[CO（NH2）2]所含有的氮元素相等．
