汽车在北京长安街上行使，时快时慢，20min行使了18km，可以求出_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题单项选择题

汽车在北京长安街上行使，时快时慢，20min行使了18km，可以求出汽车行驶的速度是54km/h，则表示（）

A.20min是时刻

B.汽车在匀加速前进

C.54km/h是平均速度

D.汽车在匀减速前进

答案

参考答案：C

填空题

选择方框中适当的单词填空。

write, play, see, have, listen, watch, stay

1. Do you often _____ TV in the evening?
2. My classmates want to _____ a party on Saturday.
3. Please _____ an e-mail to your pen friend.

4. Don't _____ computer games very often.
5. Helen likes to _____ to the music before exam.
6. I like to _____ at home and read some books in the evening.
7. Let's go to _____ a film called The Lion King tomorrow.

问答题论述题

试述犯罪社会学上的犯罪与刑法上犯罪的异同。