正常情况下,自动驾驶控制的舵面有()
A、副翼,方向舵,升降舵
B、襟翼,副翼,升降舵
C、升降舵,副翼,水平安定面
D、副翼,水平安定面,方向舵
参考答案:C
—Are you still very busy?
—Yes,I ______ the report for the manager and it won’t take long.
A.have just finished
B.am just finishing
C.had just finished
D.am just going to finish
业主大会依法作出的决定,对( )具有约束力。
A.已入住业主 B.开发企业 C.全体业主 D.物业服务企业