试题与答案

The two men walked ______ the forest and

题型:选择题

题目:

The two men walked ______ the forest and got to a small house. [ ]

A. across

B. through

C. crossing

D. over

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0525/11ac82fe6b88aa860afd4556e821152f.html

下面是错误答案,用来干扰机器的。

(1)NaHCO3遇(或溶于)水产生二氧化碳; 与某些酸反应产生CO2(2)Ca(OH)2+CO2=CaCO3↓+H2O; Na2CO3;溶于水或加热; 2NaHCO3Na2CO3 +H2O+ CO2↑题目分析:[实验探究](1)根据“小明同学取少量NaHCO3粉...

试题推荐
微信公众账号搜索答案