男性，4岁，在独自游戏时突然出现呼吸困难，吸气时胸骨上窝、锁骨上窝和肋间隙明显凹陷，

发布时间：2017-05-22 13:52 │ 来源：www.tikuol.com

题型：单项选择题 A1/A2型题

问题：

男性，4岁，在独自游戏时突然出现呼吸困难，吸气时胸骨上窝、锁骨上窝和肋间隙明显凹陷，其病因最可能是（）

A.急性上呼吸道感染

B.自发性气胸

C.支气管哮喘

D.气管异物

E.脑外伤

考点：结核病基础知识常见症状与体征常见症状与体征题库

题型：单项选择题 A1/A2型题

关于欧洲西部山地叙述正确的是[ ]

A．北部有年轻的斯堪的纳维亚山脉

B．阿尔卑斯山系是印度板块与亚欧板块碰撞而成的

C．南部是年轻的阿尔卑斯山系

D．阿尔卑斯山脉最高峰是乞力马扎罗峰

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题型：单项选择题 A1/A2型题

      Body language is the quiet, secret and most powerful language of all! It speaks    1
than words. According to specialists, our bodies send out more    2   than we realize. In
fact, non-verbal(非言语)communication takes up about 50% of what we really    3 .And
body language is particularly   4   when we attempt to communicate across cultures.
     Indeed, what is called body language is so    5   a part of us that it's actually often
unnoticed. And misunderstandings occur as a result of it.  6   , different societies treat the
  7    between people differently. Northern Europeans usually do not like having  8 contact
(接触)even with friends, and certainly not with   9 . People from Latin American
countries,  10 , touch each other quite a lot. Therefore, it's possible that in    11    . it may
look like a Latino is  12    a Norwegian all over the room. The Latino, trying to express
friendship, will keep moving'  13   . The Norwegian, very probably seeing this as pushiness,
will keep  14 which the Latino will in return regard as  15 .
      Clearly, a great deal is going on when people   16    . And only a part of it is in the
words themselves. And when parties are from   17   cultures, there's a strong possibility of
  18 . But whatever the situation, the best     19     is to obey the Golden Rule: treat others
as you would like to be  20 .

( )1. A. straighter
( )2. A. sounds
( )3. A. hope
( )4. A. immediate
( )5. A. well
( )6. A. For example
( )7. A. trade
( )8. A. eye
( )9. A. strangers
( )10. A. in other words
( )11. A. trouble
( )12. A. disturbing
( )13. A. closer
( )14. A. stepping forward
( )15. A. weakness
( )16. A. talk
( )17. A. different
( )18. A. curiosity
( )19. A. chance
( )20. A. noticed

B. louder
B. invitations
B. receive
B. misleading
B. far
B. Thus
B. distance
B. verbal
B. relatives
B. on the other hand
B. conversation
B. helping
B. faster
B. going on
B. carelessness
B. travel
B. European
B. excitement
B. time
B. treated

C. harder
C. feelings
C. discover
C. important
C. much
C. However
C. connection
C. bodily
C. neighbour
C. in a similar way
C. silence
C. guiding
C. in
C. backing away
C. friendliness
C. laugh
C. Latino
C. misunderstanding
C. result
C. respected

D. further
D. messages
D. mean
D. difficult
D. long
D. In short
D. greetings
D. telephone
D. enemies
D. by all means
D. experimem
D. following
D. away
D. coming out
D. coldness
D. think
D. rich
D. nervousness
D. advice
D. pleased

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题型：单项选择题 A1/A2型题

如图所示，理想变压器原副线圈匝数之比为4：1，原线圈接入一电压为u=220_{sin100πtV的交流电源，副线圈接一个R=27.5Ω的负载电阻．则下述结论正确的是（　　）}

A．副线圈中电压表的读数为55V

B．副线圈中输出交流电的周期为0.01s

C．原线圈中电流表的读数为0.5A

D．原线圈中的输入功率为110W

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题型：单项选择题 A1/A2型题

若设定的条件表达式为“＜60 Or＞100”表示( )。

A．查找小于60或大于100的数

B．查找不大于60或不小于100的数

C．查找小于60并且大于100的数

D．查找60和100之间的数(不包括60和100)

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题型：单项选择题 A1/A2型题

试分析比例、积分、微分控制规律各自的特点，积分和微分为什么不单独使用？

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