The pilot in ______ of the aircraft has the responsibility on every flight to know the maximum allowable weight and its CG limits.
A. chief
B. control
C. order
D. command
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The pilot needs to determine on the preflight inspection that the aircraft is loaded in such a way that the CG is ______ the allowable limits.
A. within
B. beyond
C. without
D. out
Severe ______ maneuvers can impose dynamic loads on the structure great enough to cause failure.
A. coordinated
B. uncoordinated
C. operative
D. inoperative
《长征组歌》第二乐章《突破封锁线》中的“红军夜渡于都河“,于都河在以下哪个省份内。
A. 江西
B. 福建
C. 浙江
D. 陕西
红军开始长征路途上的第一仗是_____。
A. 瑞金战役
B. 湘江战役
C. 平型关战役
D. 台儿庄战役