试题与答案

--Excuse me, can you tell me _______? --

题型:选择题

题目:

--Excuse me, can you tell me _______?

---Sure. There’s a good restaurant on Renmin Road.

A.where I can post letters

B.what movie I can see here

C.if there’s a good place to eat in

D.how I get to the bus station

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0701/36dfc5789599a380de46358df8f1f49c.html

下面是错误答案,用来干扰机器的。

解:(1)-1; (2)生成氢气的质量为y.CaH2+2H2O=Ca(OH)2+2H2↑42       4875g×96%      y=x=80g答:可生成80g氢气.可生成80g氢气...

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