27岁，停经36周，少量 * * 出血3天，今大量 * * 出血半小时，无腹痛。体检：子宫大小符

发布时间：2017-05-18 23:25 │ 来源：www.tikuol.com

题型：单项选择题 A2型题

问题：

27岁，停经36周，少量 * * 出血3天，今大量 * * 出血半小时，无腹痛。体检：子宫大小符合孕周，张力稍大，胎心率144次／分。该病人最可能的诊断是（）

A.先兆早产

B.胎盘早剥

C. * * 静脉曲张破裂

D.妊娠合并宫颈癌

E.前置胎盘

考点：妇产科住院医师妇科病史与检查妇科病史与检查题库

题型：单项选择题 A2型题

阅读理解。

     Young people can have problems with their minds. Some students become worried because they have
to study very hard. Others have trouble getting on well with people like their parents and classmates.
     Liu Wei, a Junior 2 student from Hefei, could not understand his teacher and was doing badly in his
lessons. He became so worried about it that he started to cut his finger with a knife.
    Another student, 14-year-old Yan Fang from Guangzhou, was afraid of exams. She got very worried,
and when she looked at the exam paper, she couldn't think of anything to write.
     A recent report from Jiefang Daily says about 18% of Shanghai teenagers have mental (心理的, 精神的)
problems. Their troubles include (包括) being worried and very unhappy, and having problems in learning
and getting on with people. Many students who have problems won't go for advice or help. Some think
they will look stupid (愚蠢) if they go to see a doctor. Others don't want to talk about their secret.
     Liang Yuezhu, an expert on teenagers from Beijing Anding Hospital has the following advice for
teenagers:
    * Talk to your parents or teachers often
    * Take part in group activities and play sports
    * Go to see a doctor if you feel unhappy or unwell

1. The students who often become worried or have trouble getting on with others may have .

A. mental problems
B. a headache
C. knives with them
D. no parents

2. Liu Wei cut his finger with a knife because .

A. he was afraid of his teacher
B. he wanted to frighten his parents
C. he was so worried about his studies
D. his finger was badly hurt

3. Yan Fang's problems happened whenever .

A. she studied very hard
B. she had exams
C. she talked with her parents
D. she thought of something

4. Students who have problems won't ask others for help because .

A. they won't let others think they are stupid
B. they don't think doctors can help them
C.they don't want to tell their secret to others
D. both A and C

5. Liang Yuezhu's advice tell us that .

A. it's better for the students who have mental problems to join others
B. it's unnecessary for them to be with others
C. only group activities and sports can help them
D. teachers and parents can't do anything about mental problems

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题型：单项选择题 A2型题

下列物质只含有共价键的化合物是

A． N₂

B．NaOH

C． H₂O

D．Ar

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题型：单项选择题 A2型题

咀嚼周期的轨迹图形为（）。

A.似水滴形

B.椭圆形

C.三角形

D.圆形

E.新月形

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题型：单项选择题 A2型题

将等物质的量的A、B混合于2L的密闭容器中，发生下列反应：3A（g）+B（g）

xC（g）+2D（g），经4min后测得D的浓度为0.5mol/L，

c（A）：c（B）=3：5，以C表示的平均速率v（C）=0.125mol•L^-1•min^-1，下列说法正确的是（　　）

A．以B表示的平均反应速率为v（B）=0.25mol•L^-1•min^-1

B．4min时，A的物质的量为0.75mol

C．该反应方程式中，x=1

D．4min时，A已反应的物质的量是起始的物质的量的50%

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题型：单项选择题 A2型题

APU负载压气机的进气导流叶片（IGV）作动范围（）

A.0～15度

B.0～115度

C.15～115度

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