对于做匀速圆周运动的物体,下列说法错误的是:[ ]
A.线速度不变
B.线速度的大小不变
C.转速不变
D.周期不变
答案:A
下列不属于小组治疗模式的理论基础的是()。
A.系统论
B.精神医学
C.心理学
D.社会学
用所给单词的适当形式填空,每空可以填一词或多词,请同学们视情况而定。(每题1分,共10分)
小题1:Doing morning exercises _____________ (be) good for your health.
小题2:He is much better than others at (find) the most interesting roles.
小题3:Dumpling House is (cheap) restaurant in the city.
小题4:John plays football as____________ (good)as his brother jack.
小题5:Saying is much _______ (easy) than doing.
小题6:Linda’s car is ___________ (expensive) than Lucy’s.
小题7:However, not everybody enjoys (watch) these shows.
小题8:The people who watch the show usually play a role in (decide) the winner.
小题9:Thank you for ______ (tell) me the information.
小题10:Which city is ______________ (beautiful), Shanghai or Hangzhou?