• 2013青海高考试题库百度文库试题及答案-云返教育

    • 关于自感系数,以下说法正确的是(  )
      答案解析
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    • 关于力的概念,下列说法正确的是         
      答案解析
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    • 在“研究匀变速直线运动”的实验中,电磁打点计时器使用          (选填“直流”或“交流”)电源,它每隔0.02s打一次点.图示是实验得到的一条点迹清晰的纸带,A、B、C、D为四个计数点,相邻两个计数点之间还有4个点未画出,则相邻两个计数点间的时间间隔是          s.经测量知道AB=2.20cm,BC=3.80cm,根据以上数据,可知打点计时器打下B点时物体的速度等于          m/s. 物体的加速度等于          m/s2
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    • 有一多肽,分子式为C55H70O19N10将它彻底水解后,只得到下列4种氨基酸

      控制该多肽形成的基因中至少含有碱基对是
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    • 一辆值勤的警车停在路边,当警员发现从他旁边以v=36km/h的速度匀速行驶的货车有违章行为时,立即决定前去追赶.经4s警车发动起来,警车加速阶段可看作匀加速直线运动,加速度a=2.5m/s2,此路段警车的最大时速为90km/h.试求:
      (1)警车发动后至少需多长时间才能追上违章的货车?
      (2)在警车追上货车之前,两车间的最大距离是多少?
      答案解析
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    • 对秦国来说,商鞅变法所起的最主要的作用是         
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    • 瓦特历经20多年的不懈努力,完成了对旧机械的革新。从此 得到广泛应用,解决了 的动力问题。
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    • .
      第二节完形填空(共20小题;每小题1分,满分20分)
      阅读下面短文.掌握其大意.然后从36-55各空所给的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。
      We convince ourselves that life will be better once we are married, have a baby, then another. Then we get ___36___ because our children are not old enough, and that ___37___ will be well when they are older. Then we are frustrated ___38___ they reach adolescence and we must deal with them. Surely we'll be ___39___ when they grow out of the teen years.
      We tell ourselves our ___40___ will be better when our spouse(配偶)gets his/her act together, when we have a nicer car, when we can take a ___41___, when we finally retire. The ___42___ is that there is no better time to be happy than ___43___. If not, then when? Your life will always be full of ___44__. It is better to admit as much and to decide to be happy ___45___it all.
      For the longest time, it seemed that life was about to start--real life.
      But there was always some obstacle(挫折)along the way, an ordeal(苦难) to ___46___, some work to be finished, some time to be given, a bill to be ___47___. Then life would ___48___. It finally dawned on me that that those ___49___ were part of life. Little by little, that point of ___50___ also helped me see that there isn't any road to happiness.
      Happiness is the road. So, ___51___ every moment. And bear in mind that ___52___ waits for no one. So stop ___53___ school to end, for a return to school, to lose ten pounds, to ___54__ ten pounds, for work to begin, to get married,… before deciding to be happy.
      Happiness is a voyage, not a destination. There is no ___55___ time to be happy than… NOW! Live and enjoy the moment.'
      36. A. pleased B. happy C. frustrated D. frightened
      37. A. we B. they C. all D. nothing
      38. A. because B. but C. so D. and
      39. A. luckier B. happier C. older D. healthier
      40. A. life B. study C. children D. condition
      41. A. rest B. bath C. breath D. vacation
      42. A. idea B. opinion C. truth D. thought
      43. A. before B. ever C. just then D. right now
      44. A. challenges B. troubles C. awards D. chances
      45. A. instead of B. in addition to C. in spite of D. up to
      46. A. meet with B. go ahead C. turn to D. get through
      47. A. paid B. got C. asked D. printed
      48. A. end B. start C. reward D. appear
      49. A. achievements B. obstacles C. duties D. opinions
      50. A. view B. life C. position D. condition
      51. A. work B. study C. enjoy D. wait
      52. A. happiness B. time C. age D. road
      53. A. asking for B. supposing C. waiting for D. hoping for
      54. A. gain B. reduce C. weigh D. enjoy
      55. A. worse B. better C. more D. less
      答案解析
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