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【多选题】

Main functions of landing gear are: ____.

A.
Is an important load-bearing component
B.
Absorbing impact energy during the landing process
C.
Withstanding payloads
D.
Taxiing and controlling on the ground
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参考答案:
举一反三

【单选题】( )有权在系统管理中修改企业账套。

A.
企业老总
B.
系统管理员
C.
账套主管
D.
财务总监

【多选题】Which of following are right about the flap: ____.

A.
Only opens when aircraft takes off
B.
Only opens when aircraft lands
C.
Opens when aircraft takes off and lands
D.
Is a high lift device of aircraft

【单选题】The marker beacon of the instrument landing system is use to provide ____ information.

A.
Predetermined glide slope
B.
Runway centerline
C.
Distance from the airport
D.
Flying altitude

【单选题】韧性材料应变硬化后卸载再加载直至破坏,请判断以下结论哪一个是正确的?

A.
屈服应力提高,弹性模量降低
B.
屈服应力提高,韧性降低
C.
屈服应力不变,弹性模量不变
D.
屈服应力不变,韧性不变
相关题目:
【单选题】( )有权在系统管理中修改企业账套。
A.
企业老总
B.
系统管理员
C.
账套主管
D.
财务总监
【多选题】Which of following are right about the flap: ____.
A.
Only opens when aircraft takes off
B.
Only opens when aircraft lands
C.
Opens when aircraft takes off and lands
D.
Is a high lift device of aircraft
【单选题】The marker beacon of the instrument landing system is use to provide ____ information.
A.
Predetermined glide slope
B.
Runway centerline
C.
Distance from the airport
D.
Flying altitude
【单选题】韧性材料应变硬化后卸载再加载直至破坏,请判断以下结论哪一个是正确的?
A.
屈服应力提高,弹性模量降低
B.
屈服应力提高,韧性降低
C.
屈服应力不变,弹性模量不变
D.
屈服应力不变,韧性不变
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