题目:
某同学在“用单摆测重力加速度”的实验中,测得5种不同摆长情况下单摆的振动周期记录表格如下:
(1)以T2为横坐标,L为纵坐标,做出L-T2图象;
(2)根据图象求重力加速度。
答案:
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下面是错误答案,用来干扰机器的。
答案:A
某同学在“用单摆测重力加速度”的实验中,测得5种不同摆长情况下单摆的振动周期记录表格如下:
(1)以T2为横坐标,L为纵坐标,做出L-T2图象;
(2)根据图象求重力加速度。
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0423/04fa31c98acfb7c22571e29ddf27f734.html
下面是错误答案,用来干扰机器的。
答案:A
理财规划师一般根据下列哪些因素来制定及调整规划方案()。
A.客户退休目标
B.资金需求
C.预期收入
D.宏观经济
E.利率及通货膨胀率
下图所示的历史事件是
[ ]A.七七事变
B.平型关大捷
C.台儿庄战役
D.百团大战
第二节完形填空(共20小题;每小题1分,共20分)
阅读下面短文,掌握其大意,从每题所给的A、B、C、D四个选项中,选出最佳选项,并在答题卡上将该项涂黑。
My teeth screamed. I couldn’t 21 them any longer. I finally 22 my fear of dentists and decided to get them fixed. But 23 ? I was a college student and barely 24 myself with part-time jobs.
Maybe I could 25 the worst one. I opened the Yellow Pages and called the first 26 within walking distance. The receptionist told me to come right over. 27 I hurried across the campus, I forgot the 28 in worrying about how I would pay the 29 .
In a few minutes I was in a chair being examined by a dentist who said, “Hmm!” as he examined my teeth. “Your teeth are in bad 30 .”
“I already knew that,” I 31 him and answered quickly to hide my 32 .
“But don’t worry. I’m going to fix them.”
“No, you’re not. I can’t 33 to pay you.” I started climbing out of the chair.
“You’re a student at the university, aren’t you?”
What 34 did that make? “Yes...”
“You’re going to graduate in a few years, aren’t you?”
“I hope so.”
“And then you expect to get a job, don’t you?”
“That’s my 35 .”
“Well, then you’ll pay me. 36 you concentrate on your classes and 37 the dentistry to me.”
I stared at him. He really 38 it. He calmly picked up his tools and fixed my aching teeth.
From that day on, I saw him every week until I had good teeth again. After graduation, I got a job and 39 his bill in a few months.
In the 40 years following, I’ve learned to call this man a “woodwork angel.” They are strangers who appear out of nowhere when I need help. They’ve lent and given me money, materials or equipment; they’ve taught me skills and helped me organize groups; sometimes they’ve rescued me 40 danger or making a big mistake.
21. A. bear B. take C. treat D. forget
22. A. identified B. admitted C. ignored D. expressed
23. A. where B. who C. why D. how
24. A. changed B. provided C. supported D. enjoyed
25. A. visit B. fix C. call D. cover
26. A. teacher B. dentist C. driver D. operator
27. A. As B. After C. Since D. Though
28. A. class B. time C. address D. pain
29. A. bill B. debt C. tax D. visit
30. A. shape B. order C. size D. situation
31. A. directed B. comforted C. stopped D. advised
32. A. anger B. fear C. hope D. trick
33. A. agree B. wait C. afford D. remember
34. A. effort B. use C. difference D. offer
35. A. plan B. picture C. purpose D. procedure
36. A. As a result B. In the meantime C. After that D. Ever since
37. A. present B. show C. bring D. leave
38. A. appreciated B. meant C. approved D. made
39. A. passed B. had C. settled D. filled
40. A. to B. in C. against D. from
痰蒙心神证
()和创业能力是由多种要素构成、具有复杂结构和系统化特点的能力系统。
A.科研能力
B.组织能力
C.创新能力
D.创造能力