题目内容

某瞬时刚体上各点的速度矢量都相等，而各点的加速度矢量不相等，因此该刚体不是作平移。

A. 对
B. 错

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刚体作平移时，刚体内所有各点的轨迹一定是直线。

A. 对
B. 错

二、Part B：用方框内所给的A.B.C.D.E五个句子完成以下对话.Nurse: Good morning. Dr. Li’s office.Bruce: (1) . I’d like to make an appointment.Nurse: (2) Bruce: I have a sore throat.Nurse: (3) Bruce: About two days.Nurse: I see. Do you cough?Bruce: Yes, I cough now and then. I am afraid I get a cold.Nurse: Well, Dr. Li is free at 9 tomorrow morning. (4) Bruce: 9 o’clock tomorrow morning. It’s fine.Nurse: Ok. (5) __Bruce: Thank you. See you.A: How long have you felt this way?B: See you tomorrow.C:Will it be ok for you?D:Good morning! My name is Bruce.E:What’s wrong with you?

2. Dialogue2Zhang Qing: Hi, Wang Yang, what’s your hobby?Wang Yang: Oh, (1) .Zhang Qing: (2) .Wang Yang: Michael Jordan is my hero.Zhang Qing: I see. I love playing football, (3) .Wang Yang: Really? I think American football is crazy.Zhang Qing: (4) .Wang Yang: Maybe we can do sports together.Zhang Qing: Why not go hiking this weekend?Wang Yang: (5)__.Zhang Qing: Ok, see you.Wang Yang: Goodbye.A: I agree with you.B: I enjoy playing basketball very much.C: Who is your favorite basketball star?D: especially American football..E:That’s a good idea.

二、Part B：用方框内所给的A.B.C.D.E五个句子完成以下对话.Bob: Hi, Wang Tao, (1) .Wang Tao: I went to see a movie called Zhanlang2 with my classmate.Zhang Qing: (2) .Wang Yang: Oh, it’s great. The movie is so shocked. But my classmate thinks it is boring.Zhang Qing: (3) .Wang Yang: (4) . Did you do anything special?Zhang Qing: Nothing special. I went to Swimming Pool and swam with my brother.Wang Yang: That was nice. (5) __.A: Everyone has his own opinion.B: What about you?C: what did you do last weekend?D: We both enjoy ourselves.E:What do you think of the movie?