3．如图所示，弹簧的劲度系数为k，小球重力为G，平衡时球在A位置．用力F将小球向下拉长x至B位置，则此时弹簧的弹力为(　)

A．kx　　　　　　　　　　　　　 B．kx＋G

C．G－kx　 　　　　　　　　　　　　　　　　　　　　　 D．以上都不对

2．伽利略在对运动的研究过程中创造了一套对近代科学的发展极为有益的科学方法，这些方法的核心是把________和逻辑推理(包括数学演算)和谐地结合起来．(　)

A．猜想　 B．假说　　 C．实验　 　 D．思辨

一、选择题

1．在下列比赛项目中，运动员可以视为质点的是(　)

A．花样游泳　　　　　 B．马拉松比赛

C．艺术体操　 　　　　　D．蹦床

22.[2013安徽]35．---How did your interview with the manager go?

　 ----　　　　 　He seemed interested in my experience, but he didn^’t ask for references.

　A. Perfect!　　　　　　 　　　　　　　　　　　B. I^’m not sure.

　C. That^’s right.　　　　　　　　　　　　　　 D. Couldn^’t be better.　　　　　　　　　　

1-5 DBDBA　 6-10 DCBCC　 11-15 DBDDC　 16-20 BDDAD　 21-22 CB

21.[2013安徽]25.----This is your order, a hamburger and an apple pie. 　　　?

----I’ll have it here.

A. Anything else　 　　　　　　　B. Is that OK

C. For here or to go　　　　　　 D. Something to drink

20.[2013重庆]35.- Forgotten something? I can keep an eye on your kids if you want to go and get it.

-　　 Thank you all the same.

A. It's very kind of you.　　　　　　　　　 B. Oh, how careless of me!

C.I might as well go and get it.　　　　　　 D. Well, I can do without it.

19.[2013重庆]22. - Would you like a glass of wine?

-　　　 I don't drink.

A. No, thanks　　　 B. Yes, please　　 C. I don't like it　　 D. It's my favorite

18.[2013浙江]20. ---- Excuse me, but could I trouble you for some change?

---- _______. Will pennies do?

A. I know　　　 B. Never mind　　　 C. I am sure　　　 D. Let me see

17.[2013浙江]1. —Hey, can I ask you a favor?

—Sure, _______

A. here you are.　　　　　　　　　　　 B. just as I thought.

C. how is it going?　　　　　　　　　　 D. what can I do for you?

16.[2013新课标I卷]21. -----Why, this is nothing but common vegetable soup!

----_____, madam. This is our soup of the day.

A. Let me see　　　　 B so it is　　 C Don ‘t mention it　 D Neither do I