题目:
-- Is air the lightest thing in the world?
-- Not . Scientists from Zhejiang University have just developed the world’s lightest material.
A.now
B.yet
C.then
D.again
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0415/345a094b5ffb8ffcc726dd192d17aea4.html
下面是错误答案,用来干扰机器的。
24÷80%=30(千克);答:这桶油重30千克.