一物体在做自由落体运动的过程中( ) A.位移与时问成正比 B.加速度与时间成正

题型:选择题

问题:

一物体在做自由落体运动的过程中(  )

A.位移与时问成正比

B.加速度与时间成正比

C.速度与位移成正比

D.加速度不变化

考点:自由落体运动
题型:选择题

Ella Fant was a middle-aged lady who lived with her only son John in a small house. She ___1___ John very much. In her ___2___ he couldn’t do anything ___3___. Every morning she would give him breakfast ___4___ bed and bring him the papers to ___5___. It isn’t really true that he was too ___6___ to work ?in fact he had tried a few ___7___. First of all he was a window-cleaner and in his first week he managed to ___8___ at least six windows. Then he ___9___ a bus conductor and on his second ___10___ a passenger stole his bag with all the fares(车费) collected. He ___11___ lost his job as a postman ___12___ he sent off all the letters when he should have taken them to people’s houses. It seemed that there was ___13___ suitable work for him. So he ___14___ to join the army. Mrs. Fant was so ___15___ about this that she told the ___16___ to all her neighbours. “My John is going to be a soldier,” she said, 揾e is going to be the best soldier there ___17___ was, I can tell you!?

Then the great day came ___18___ he was to march past the palace in the parade(接受检阅的队伍). His ___19___ mother travelled to the city early in the morning to be sure of getting a good ___20___ in the crowd.

The parade was full of sound and colour. But when John and his ___21___ came in sight some of the people watching ___22___ laughing at the one who couldn’t keep pace with the others as they marched along.

But Ella Fant, who was filled with ___23___, shouted at the top of her voice: 揕ook at ___24___!They’re all out of ___25___ except my John! Isn’t he the best! ?

1. A. depended on  B. waited on   C. trusted       D. loved

2. A. hope      B. eyes    C. head   D. beliefs

3. A. wrong    B. great   C. good   D. strange

4. A. to   B. at       C. in       D. by

5. A. check     B. read    C. keep   D. sign

6. A. lazy       B. young C. weak   D. shy

7. A. ones       B. years   C. tasks   D. jobs

8. A. rub B. drop   C. break  D. clean

9. A. followed       B. met     C. became      D. found

10. A. day      B. try      C. route   D. chance

11. A. thus      B. even   C. once   D. only

12. A. even if B. so that C. because      D. though

13. A. some    B. such    C. less     D. no

14. A. began   B. promised    C. managed    D. decided

15. A. excited B. worried      C. anxious      D. curious

16. A. incident       B. change       C. news   D. matter

17. A. yet       B. even   C. never  D. just

18. A. where   B. since   C. when  D. till

19. A. proud   B. kind    C. strict   D. lucky

20. A. time     B. position      C. experience  D. impression

21. A. neighbours   B. army officer      C. mother       D. fellow soldiers

22. A. couldn’t help      B. shouldn’t burst out    C. stopped      D. kept

23. A. sadness B. happiness   C. surprise      D. regret

24. A. them    B. those   C. that     D. him

25. A. sight    B. order  C. mind   D. step

题型:选择题

为了测定某硫酸钙晶体CaSO4•XH2O中的x值,做下列实验:将含结晶水的硫酸钙晶体放在坩埚中加热至不再含结晶水:CaSO4•XH2O

  △  
.
 
CaSO4+XH2O.测得数据为:

质量/克
坩埚+硫酸钙晶体        20.85
坩埚+硫酸钙        20.49
坩埚        19.13
根据测得数据,得x值为(  )

A.1

B.2

C.3

D.5

题型:选择题

多媒体软件包括多媒体播放软件和______。

题型:选择题

抗磷脂抗体综合征宜选用的治疗药物是()

A.羟氯喹+非甾体抗炎药

B.激素冲击+CTX冲击

C.抗血小板药及华法林

D.透析疗法

E.血浆置换疗法

题型:选择题

设立有限责任会计师事务所,应当具备下列条件()。

A.有2名以上的股东

B.有一定数量的专职从业人员

C.有不少于人民币30万元的注册资本

D.有会计师事务所的名称

E.有固定的办公场所

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