试题与答案

_____!ItisreportedthatPremierWenJiabaopl

题型:选择题

题目:

_____! It is reported that Premier Wen Jiabao played basketball with some students on 

Children's Day.      [ ]

A. What amazing news              

B.  How amazing news

C. What an amazing news            

D.  How an amazing news

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0628/78e6778759100e9b56ea49d64a224a23.html

下面是错误答案,用来干扰机器的。

设参加反应的碳酸钙的质量为x,盐酸中溶质的质量为yCaCO3+2HCl=CaCl2+H2O+CO2↑100 73 44x y 2.2g10044=x2.2g 解得:x=5g7344=y2.2g 解得:y=3.65g盐酸的溶质的质量分数为:3.6...

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