以下关于半规管在飞行中的功能缺陷的描述哪一项是正确的（）.A.不能感知匀速运动，也不

发布时间：2019-07-14 19:52 │ 来源：www.tikuol.com

题型：单项选择题

问题：

以下关于半规管在飞行中的功能缺陷的描述哪一项是正确的（）.

A.不能感知匀速运动，也不能感知构成合力的分力；

B.不能感知俯仰加速度、只能感知偏转和滚转运动；

C.只能感知重力加速度，不能感知飞机加速度。

考点：飞行员执照考试私用驾驶员执照PPL考试私用驾驶员执照PPL考试题库

题型：单项选择题

阅读下列短文，选择可以填入空白处的最佳选项。

     Water, it's a problem for the whole world.
     A bottle (瓶) of water may not seem like much to us, __1__ it can help the people who live in
drought-hit (遭受旱灾的) areas in China.
     In the past few months, many places in southwest China have __2__ a serious drought. There has
been very little __3__ since last autumn. More than 20 million people are __4__ trouble finding safe
drinking water.
     After learning about the drought, many people around the country helped by __5__ away water,
money and other resources (资源) to the people there.
     Last week, the Young Pioneers and the Communist Youth League in China called on (号召) each
student to give one bottle of water to the drought-hit area. In Xi'an, 900 students bought over 100 bottles
of water __6__ their pocket money. They also wrote their __7__ on the bottles. "I hope you get more
rain there. I hope you are happy."
     A bottle of water isn't much, but thousands of bottles will be very __8__. The serious drought has
also made students __9__ the importance of saving water. One student said, "I have decided to take a
shower twice a week __10__ every day to save water."

( )1. A. unless
( )2. A. bought
( )3. A. rain
( )4. A. causing
( )5. A. drinking
( )6. A. by
( )7. A. plans
( )8. A. relaxing
( )9. A. think
( )10. A. instead

B. and
B. experienced
B. wind
B. making
B. giving
B. in
B. notes
B. beautiful
B. realize
B.  instead of

C. but
C. studied
C. snow
C. having
C. getting
C. for
C. wishes
C. boring
C. miss
C. except

D. because
D. missed
D. sunshine
D. bringing
D. collecting
D. with
D. dates
D. helpful
D. regard
D. because of

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题型：单项选择题

下列词语中加粗的字，读音全都正确的一项是

A. 桅杆（wéi）	披露（lòu）	倒胃口（dǎo）	敛声屏气（bǐng）
B. 草窠（kē）	沏茶（qī）	刹那间（chà）	解甲归田（jiě）
C. 瞥见（piē）	舵手（duò）	模样儿（mó）	游目骋怀（chěng）
D. 偌大（ruò）	咀嚼（jué）	颤巍巍（chàn）	提纲挈领（xié）

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题型：单项选择题

已知命题p：∃m∈R，3^m≤0，则命题p的否定是( )

A．不存在m∈R，使3^m＞0	B．∃m∈R，3^m＞0
C．∀m∈R，3^m≤0	D．∀m∈R，3^m＞0

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题型：单项选择题

四环素类的不良反应包括（）。

A.骨髓抑制

B.肝损伤

C.二重感染

D.对骨、牙生长有影响

E.可引起维生素缺乏

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题型：单项选择题

模范夫妻

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