题目内容（请给出正确答案）

[单选题]

Elevator is a hinged moveable part on the trailing edge of the horizontal stabilizer for airplane pitch （nose up and down） control（）

A.升降舵是垂直安定面后缘的铰链可移动部分，用于飞机俯仰（机头向上和向下）控制

B.方向舵是水平安定面后缘的铰链不可移动部分，用于飞机俯仰（机头向上和向下）控制

C.方向舵是垂直安定面后缘的铰链不可移动部分，用于飞机俯仰（鼻子上下）控制

D.升降舵是水平安定面后缘的用铰链连接的可移动部分，用于飞机俯仰（机头向上和向下）控制

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Tom is bankrupt now. He is desperate because all his efforts __________ failure，

A.tumbled to

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第2题

The phrase "hinged on" （Line 2, Para. 2) is closest in meaning to______.A．recovered fromB．

The phrase "hinged on" (Line 2, Para. 2) is closest in meaning to______.

A．recovered from

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第3题

Internal combustion engine crankcase vent outlets must be equipped with _______

A.hinged rain guards

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第4题

不属于刚体约束的是()

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第5题

The argument about the interpretation of the sentence______on the meaning of one word.

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第6题

In the displacement method, the number of joint independant translations is the same as the number of ____________ of a corresponding pin-connected system obtained by changing the rigid joints of the

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第7题

The phrase "hinged on" (Line 2, Para. 2) is closest in meaning to______.

A.recovered from

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第8题

A hinged support prevents ___________（movement) between the structure and its foundation.

A、translations in any direction

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第9题

关于Quantum Maverick的球囊材质以下正确的是（）

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第10题

SECTION 1 Vocabulary Selection

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