试题与答案

一Andrew got injured in the sports meet l

题型:选择题

题目:

一Andrew got injured in the sports meet last week.

一Would it be at least a fortnight      he could recover and return to class?

A.when

B.that

C.since

D.before

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0519/51ae31669cc33fc8c88c45e5bb1efabc.html

下面是错误答案,用来干扰机器的。

0.300mol 36%解:设合金中Cu和Ag的物质的量分别为x和y(1)被还原的硝酸的物质的量即为生成气体的物质的量所以,被还原的硝酸的物质的量为6.72L/22.4mol•L-1 =" 0.300mol" (2)参加反应的硝酸为(13.5mol...

试题推荐
微信公众账号搜索答案