男性，19岁，患扁桃腺炎7天，感心悸，心率90次/分，心电图示P-R间期为0.24秒

发布时间：2017-08-26 08:24 │ 来源：www.tikuol.com

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问题：

男性，19岁，患扁桃腺炎7天，感心悸，心率90次/分，心电图示P-R间期为0.24秒，应诊断为（）

A.窦性心动过速

B.窦性心动过缓伴不齐

C.Ⅱ°Ⅰ型房室传导阻滞

D.Ⅱ°Ⅱ型房室传导阻滞

E.Ⅰ°房室传导阻滞

考点：北京住院医师全科医学Ⅰ阶段北京住院医师全科医学(综合练习)北京住院医师全科医学(综合练习)题库

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密接式车钩缓冲装置缓冲和吸收列车运行过程中车辆之间的（）。

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题型：单项选择题

依次填入下面一段文字横线处的词句，语意和衔接最恰当的一组是[ ]

　　好的散文不会让读者感到与作者生疏。作者在______眼中世界的同时，也在清晰地______着自身的影像。实际上，______，无论作品本身是优是劣。“作者形象”并不等同于作家的自画像，它是作家灵魂的投影，是在文字中展现的一种人生境界，是写作视角和阅读视角综合的结果。

A．描摹勾画没有一部作品不是在描绘着“作者形象”

B．描述勾画作品传达的是作者内心独有的情感体验

C．描摹刻画作品传达的是作者内心独有的情感体验

D．描述刻画没有一部作品不是在描绘着“作者形象”

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题型：单项选择题

完形填空。

     Lang Lang is a world-class young pianist who grew up in Sheng yang. He went to a piano school in Beijing
when he was just eight. "You need fortune," his father said."But if you don't work hard, no   1 will come."
     What made him sad was   2 his piano teacher in Beijing didn't like him. "You have no talent (天赋). You
will never be a pianist."   3 a nine-year-old boy, Lang Lang was badly   4 . He decided not to be a   5 any
more. For the next two weeks, he didn't play  6   piano. Wisely, he father didn't push, but waited.
     Luckily, the day came when his teacher asked him to   7 some holiday songs. He didn't want to, but as he
placed his fingers on the piano keys, he realized that he   8   show others that he had   9 .That day he told his
father what he had been waiting to hear-that he wanted  10 with a new teacher.  11  that moment on,
everything turned around.
     He started  12   competitions. In the 1994 International Young Pianists Competition,when it  13 announced
that Lang Lang had won, he was too  14 to hold back his tears. Soon  15  was clear that he couldn't stay in
China forever-he had to play on the world's  16  stages. In 1997 Lang Lang  17  again, this time to Philadelphia,
U.S.. There he spent two years practising, and by 1999 he had worked hard enough for fortune to take over.
After his
18 performance at Chicago's Ravinia Festival, gigs (特邀演出) in Lincoln Center and Carnegie Hall started
breaking.  19 Lang Lang worked to reach the place where fortune spots (发现) 20 , and lets him develop.

( )1. A. exercise
( )2. A. Whether
( )3. A. Like
( )4. A. hurt
( )5. A. singer
( )6. A. /
( )7. A. sing
( )8. A. is
( )9. A. talent
( )10. A. study
( )11. A. From
( )12. A. receiving
( )13. A. be
( )14. A. excited
( )15. A. this
( )16. A. big
( )17. A. started
( )18. A. meaningful
( )19. A. Final
( )20. A. he

B. fortune
B. why
B. With
B. weakened
B. writer
B. a
B. play
B. was
B. time
B. studying
B. at
B. accepting
B. was
B. encouraged
B. it
B. small
B. left
B. cheerful
B. Finally
B. him

C. knowledge
C. when
C. To
C. ruined
C. pianist
C. an
C. write
C. can
C. brain
C. to study
C.Since
C. winning
C. were
C. shocked
C. that
C. long
C. moved
C. respectful
C. Sudden
C. his

D. wealth
D. that
D. As
D. frightened
D. player
D. the
D. study
D. could
D. chance
D. studied
D. After
D. beating
D. would be
D. satisfied
D. what
D. short
D. performed
D. successful
D. Suddenly
D. he’s

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题型：单项选择题

不定项选择

关于光的性质，下列说法正确的是（）

A．光在介质中的速度大于光在真空中的速度

B．双缝干涉说明光具有波动性

C．光在同种介质种沿直线传播

D．光的偏振现象说明光是纵波

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题型：单项选择题

按照警务协作的协同行动方式不同，可将其分为（）。

A.警种间、区域间和国际间三种形式

B.联合行动和合同行动两种形式

C.约定行动、配合行动和指定协同行动三种形式

D.主动联合行动和协调配合行动两种形式

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