单项选择题
调距桨的应急锁紧装置的实质是( )。 A.
推力变为零 B.
调距桨变定距桨使用 C.
操纵系统故障排除 D.
液压系统故障排除
调距桨的应急锁紧装置的实质是( )。 A.
推力变为零 B.
调距桨变定距桨使用 C.
操纵系统故障排除 D.
液压系统故障排除
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单项选择题
Colleges and universities take ________ very seriously and are very hard on students who commit plagiarism.
Colleges and universities take ________ very seriously and are very hard on students who commit plagiarism.
A.avoid
B.academic dishonesty
C.stealing
D.copyrighted