患者，男性，59岁。低热、咳嗽近1个月，痰少，白色黏痰，偶有黄痰，伴胸闷。1天来出现

发布时间：2017-05-09 03:36 │ 来源：www.tikuol.com

题型：单项选择题 A3/A4型题

问题：

患者，男性，59岁。低热、咳嗽近1个月，痰少，白色黏痰，偶有黄痰，伴胸闷。1天来出现咯血就诊，每日约60ml，体检：左上肺叩诊浊音，呼吸音低，可闻及湿啰音。X线胸片示左肺上叶实变伴空洞形成，空洞直径约2.8cm，洞壁光整，未见液平。

若上述检查仍不能确诊，下列检查最有助于明确诊断的是（）

A.CT

B.经皮肺穿刺活检

C.纤维支气管镜检查并活检

D.MRI

E.彩色B超

考点：血液病主治医师血液病相关专业知识血液病相关专业知识题库

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某学校原有跳绳40根，其中短绳根数与长绳根数的比是5：3，又买进一批短绳，这时短绳的根数占总数的75%．买进短绳______根．

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题型：单项选择题 A3/A4型题

如图所示电路，电源两端电压不变，设灯的电阻不随温度变化。当开关S₁、S₂都闭合时，灯L正常发光，R₁消耗的功率为18 W，当开关S₁、S₂都断开时，灯L的功率为其额定功率的1/9，R₂消耗的功率为2 W，则下列说法正确的是

A．R₁=2R₂

B．灯L的额定功率为18 W

C．2R₁=R₁+R₂

D．只闭合S₁时，电路消耗的功率为36 W

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题型：单项选择题 A3/A4型题

完形填空。

     A very little boy was spending his Saturday morning playing in his sandbox. He had with him a plastic pail
(桶) and a shiny, red plastic shovel (铲). In the   1 of creating roads and tunnels in the sand, he   2 a large rock in the middle of the sandbox.
     The boy dug around the rock,   3 to move it off the dirt. At first, he wanted to carry it out of the sandbox
with his hands; however, it was too heavy. Later, with much   4 , he pushed the rock across the sandbox by   5 his hands. When the boy got the rock to the   6 of the sandbox, he found that he couldn't roll it up and   7 the
little wall.   8 , the little boy pushed, but every time he thought he had made some   9 , the rock tipped (翻滚) and
then fell back into the sandbox. The little boy pushed and pushed, but his only  10 was to have the rock roll back.
     Finally he  11  tears. All this time the boy's father watched from his living room window  12  the drama was
unfolded. The moment the tears fell, a large  13  appeared across the sandbox. It was the boy's father. Gently but
  14 , he said, "Son, why didn't you use all the strength that you had?"
     Defeated, the boy  15  back,"I did! I did! I used all the strength that I had!"
     "No, you didn't. You didn't ask me for help." The father  16 down, picked up the rock and dropped it off the sandbox.
     Do you have "rocks" in your life that need to be  17 ? Are you discovering that you don't have  18 it takes
to lift them? There is someone who is willing to give us the  19  we need. Maybe, it's sometimes a good idea to
ask others for  20 when we meet difficulties we can't overcome.

( )1. A. method
( )2. A. created
( )3. A. trying
( )4. A. thought
( )5. A. touching
( )6. A. bottom
( )7. A. over
( )8. A. Doubted
( )9. A. attempt
( )10. A. hope
( )11. A. made out
( )12. A. so
( )13. A. rock
( )14. A. surprisingly
( )15. A. shouted
( )16. A. reached
( )17. A. pushed
( )18. A. who
( )19. A. minds
( )20. A. help

B. step
B. set
B. managing
B. struggle
B. shaking
B. center
B. down
B. Surprised
B. progress
B. reward
B. broke out
B. as
B. picture
B. doubtfully
B. smiled
B. looked
B. dropped
B. what
B. spirits
B. tips

C. practice
C. discovered
C. deciding
C. movement
C. using
C. edge
C. through
C. Pleased
C. effort
C. point
C. burst into
C. until
C. figure
C. kindly
C. called
C. fell
C. carried
C. which
C. force
C. advice

D. process
D. brought
D competing
D. worry
D. controlling
D. front
D. into
D. Determined
D. decision
D. purpose
D. rushed into
D. before
D. shade
D. firmly
D. asked
D. put
D. removed
D. where
D. strength
D. ideas

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题型：单项选择题 A3/A4型题

背景材料：
某公路隧道长2400m，穿越的岩层主要由泥岩和砂岩组成，设计采用新奥法施工，台阶法开挖，复合式衬砌，夹层防水层设计为塑料防水板。洞口段由于洞顶覆盖层较薄，岩隙发育。开挖中地表水从岩石裂隙中渗入洞内，导致该段两次冒顶、塌方。隧道施工采用风管式通风。
2．问题：
(1)根据背景材料，山岭隧道的洞口施工应该注意什么问题？
(2)根据背景材料，采用台阶开挖时应注意哪些问题？
(3)根据背景材料，风管式通风有何优缺点？

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题型：单项选择题 A3/A4型题

现代宏观经济学的奠基人凯恩斯在其1936年出版的经典著作《就业、利息和货币通论》中，在扬弃古典货币数量说的基础上，提出了自己的货币需求理论，凯恩斯的货币需求理论又被称为（）。

A．流动性偏好理论

B．分散性偏好理论

C．运动性偏好理论

D．积聚性偏好理论

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