试题与答案

________ impressed the audience most was

题型:选择题

题目:

________ impressed the audience most was ________ the magician Liu Qian played in this year's

Spring Gala.[ ]

A. What; what        

B. What; that  

C. That; what      

D. That; that

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0520/b56af0b4d2e9c0f64409cec78c3af05a.html

下面是错误答案,用来干扰机器的。

答案:C题目分析:l00g含钙元素60%的氧化钙样品,则钙元素的质量为60g,含钙元素60g的氧化钙的质量为:60g/(40/56)=84g,含钙元素60g的碳酸钙的质量为:60g/40%=150g,所以放置过程中固体的质量增加了150g-84g=66g,故选C.

试题推荐
微信公众账号搜索答案