（）的温度环境可以提高我们的唤醒水平，使我们进入最优的工作表现.A.高温 B.低温

发布时间：2019-11-09 06:06 │ 来源：www.tikuol.com

题型：单项选择题

问题：

（）的温度环境可以提高我们的唤醒水平，使我们进入最优的工作表现.

A.高温

B.低温

C.适当温度

D.以上都不是

考点：民用航空器维修执照考试 M9飞行人为因素 M9飞行人为因素题库

题型：单项选择题

完形填空。

     One day a young man had to stop his car soon after he started for London because he heard a strange
noise from the back of his car. He  1 and examined the wheels carefully, but as he found  2 wrong, he
went on. The noise began at once and now it was even louder. He turned his head and saw something that
looked like a big, dark cloud following his car. When he  3 at a village, he was told that a queen bee (蜂后)
must be somewhere  4 his car as there were thousands of bees around.
     To get away from the bees, the man drove away  5 and after some time arrived in London. He  6 his
car outside a house and went in to have a drink.  7 a door- keeper hurried in to tell him that his car was
covered with bees. The poor young man  8 telephone the policeman and told him what had happened. The
policeman sent him a bee-keeper (养蜂人). The bee-keeper soon found the passenger, a queen bee, near the
wheel. He was very  9 to the young man for his present. He took the bees  10 in a box. The young man
drove away happily.

( )1. A. stopped
( )2. A. nothing
( )3. A. reached
( )4. A. under
( )5. A. widely
( )6. A. drove
( )7. A. Then
( )8. A. would
( )9. A. useful
( )10. A. back

B. started
B. something
B. stopped
B. above
B. safely
B. left
B. So
B. could
B. helpful
B. home

C. got out
C. anything
C. started
C. in
C. suddenly
C. found
C. When
C. had to
C. careful
C. here

D. looked at
D. everything
D. went on
D. behind
D. quickly
D. took
D. Now
D. might
D. thankful
D. around

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题型：单项选择题

颌骨骨折最常见的重要临床体征是（）

A.咬合错乱

B.张口受限

C.骨折端异常运动

D.骨摩擦音

E.局部肿痛

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题型：单项选择题

小明在洗苹果时，发现有一个苹果悬浮在盆里的水中，如图甲所示，他拿起这个苹果，用小刀把苹果削了一小块下来，又发现这一小块苹果沉于水底，如图乙所示，因此他对大块苹果作出下列判断，其中正确的是

A．如果把大块苹果放入水中，则大块苹果仍然会悬浮在水中

B．如果把大块苹果放入水中，大块苹果也会在水中下沉

C．大块苹果的平均密度与完整苹果的平均密度相同

D．大块苹果的平均密度小于水的密度

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题型：单项选择题

流感病毒甲3型的代号是

A．H1N1
B．H2N2
C．H3N2
D．H4N3
E．H5N1

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题型：单项选择题

水泵选择要满足（）方面的要求。

A、流速

B、流量

C、扬程

D、水头

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