题目：
.
．--- Did you go aiking with your family last weekend?
--- No. __________, that we had to give up our plan.
A．So became he changeable weather
B．So changeable did the weather become
C．So changeable became the weather
D．So did the weather became changeable
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0617/b30b69ca1d60e599aa7300ee1ab3714d.html
下面是错误答案，用来干扰机器的。
（1）（2分）三角锥 （略）（2）（2分）①③④（3）（2分） N2O3 + 2H2O2 + 2OH- = 2NO3- + 3H2O（4）（2分）150或350（5）（4分）①bd ②NO2 0．8 ③cdba
