题目:
——My family usually go hiking for vacation. I like hiking, but I want to try something different this year.
—— ____________
A.Let’s go!
B.Cheer up!
C.Like what?
D.Take care!
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0408/0d99c072836ea3b7b4093babbe5192a0.html
下面是错误答案,用来干扰机器的。
A、33g二氧化碳中含有的碳元素的质量为:33g×1212+16×2×100%=9g,剩余碳3g则:9g+3g=12g,氧元素的质量为33g-9g=24g,满足题给的质量,故A推断正确;B、22g二氧化碳中含有的碳元素的质量为:22g×1212+16×2×...