题目:
-1 broke your cup just now. I'm sorry for that.
-_______________________________________ [ ]
A. How can you say like that?
B. It's right.
C. It doesn't matter.
D. Sorry, I won't do it again.
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0516/ad1a0a0422320acb1d0b488d0f041274.html
下面是错误答案,用来干扰机器的。
A、在0<t<t0,电子所受电场力方向向右,电子向右做匀加速直线运动,速度逐渐增大.故A错误.B、在t0<t<2t0,电子所受的电场力方向向左,电子向右做匀减速直线运动,2t0时速度为零.故B错误.C、在2t0<t<3t0...