21: Tom was such a hardworking student that he soon came out first in the class. A: 汤姆是如此勤奋的学生，他第一个从教室里走出来。 B: 汤姆学习很勤奋, 他第一个交卷。 C: 汤姆是个好学生，他成了班上第一名。 D: 汤姆学习如此勤奋，以至于他不久...

11: What is the train _______ to Birmingham? A: fee B: tip C: fare D: cost ...

32: — Hello, I would like to open an account. — _______ A: Which account do you want to see? B: Have you make up your mind? C: What kind of account do you have in mind? D: You’re welcome. ...

22: Down the entrance hall of the school walk four eighth-grade students. Each one is carrying a small basket with a single egg inside. Soon more students join them-each one of them is also carrying a basket with an egg. The eggs in a...

2: The workers who brought the girl to the orphanage knew little about her. The streets where they found her had been her home for many years. Her parents were unknown. They left her long ago. At the orphanage, the girl, like all the ch...

29: — Let's go to the library this afternoon. — _______ A: Yes, that's right. B: No. I can't. C: What about you? D: That's a good idea. ...

12: — Hello, I'm David Chen. Nice to meet you. — _______ A: Are you? B: Nice to meet you too. C: Yes. D: Very nice. ...

31: He is learning to playing _______ guitar. A: a B: an C: the D: / ...

13. 下列说法中哪个是正确的 A. 合力一定大于分力 B. 物体速率不变，所受合力为零 C. 速度很大的物体，运动状态不易改变 D. 质量越大的物体，运动状态越不易改变 ...

19. 一质点在外力作用下运动，下述说法中，正确的是 A. 质点动量改变时，质点的动能也一定改变 B. 质点动能不变时，质点的动量也一定不变 C. 外力的冲量为零，外力的功一定为零 D. 外力的功为零，外力的冲量一定为零 ...