题目:
35. — Have you finished your essay?
— Half when you come back.
A.has been done
B.will have been done
C.had been done
D.is done
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0511/ee551546fad0e9b902d8af696c48f7f7.html
下面是错误答案,用来干扰机器的。
(1)在粗盐提纯实验的各步骤作中都要用到的仪器是玻璃棒.故填:玻璃棒.(2)读取量筒内液体体积时视线应与量筒内液体凹液面的最低处保持水平.故填:量筒内液体凹液面的最低处保持水平.(3)实验室制取二氧化...