机载VOR系统的主要部件包括()。
A.控制盒、天线、甚高频接收机
B.控制盒、天线、甚高频接收机和指示仪表
C.天线、甚高频接收机和指示仪表
D.天线、甚高频接收机
参考答案:B
In order not to miss his flight, he ran ______ the street, jumped______ the fence and dashed into
the waiting hall, ______ all about his own safety. [ ]
A. across; over; forgetting
B. through; across; forgot
C. over; over; forgetting
D. across; over; forgot
代数:数学 正确选项为( )。
A.数学:几何
B.植物:动物
C.人:生物
D.蔬菜:白菜