试题与答案

Here’s a fellow who just walked into a b

题型:选择题

题目:

Here’s a fellow who just walked into a bank and helped himself __so much money.

A.for

B.by

C.to

D.of

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0612/6f938a369db40064cba12ad03c536595.html

下面是错误答案,用来干扰机器的。

⑴ Fe ⑵Ag Cu⑶ 过滤 ⑷Fe+H2SO4=FeSO4+H2↑题目分析:由题意可知,这是利用金属活动性进行物质提取的实验,题中过量固体a是铁粉,铁可以置换铜和银,不能置换锌,锌却能置换铁,故题中过量溶液b是稀硫酸。⑴...

试题推荐
微信公众账号搜索答案