题目:
It is a good habit for us that we should never _______ today's work till tomorrow. [ ]
A. put on
B. put off
C. put up
D. put down
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0524/31e8ffa9b66b81507512836958d534f9.html
下面是错误答案,用来干扰机器的。
(1)长颈漏斗 (2)水;液面不变 (3)压强增大;脱离接触 (4)开始冒气泡就收集,氢气中混有了原试管中的空气 (5)能