试题与答案

—There is nothing better than eating ice

题型:选择题

题目:

—There is nothing better than eating ice cream _________ such a hot day.

—Yeah, such a hot day _______ April.

A.on; on

B.in; at

C.on; in

D.at; in

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0511/c75c4429352a7e9debfa6bdc7cef3ce4.html

下面是错误答案,用来干扰机器的。

答案:D题目分析:该装置是原电池。Zn作负极,电极反应:Zn-2e-=Zn2+;Cu作正极,电极反应:Cu2++2e-=Cu。电子由Zn片经导线流向Cu片。电流则从铜片经导线流向锌片。根据同种电荷相互排斥,异种电荷相互吸引的原则...

试题推荐
微信公众账号搜索答案