3070读作[ ]
A.三零七零
B.三百零七
C.三千零七十
答案:C
Father was very angry because his favorite glass ________ by his pet dog.
A.broke
B.has broken
C.was broken
D.has been broken
实际工作中,根据操纵方式可将人机系统的控制装置分为()。
A.开关控制器
B.手动控制器
C.制动控制器
D.脚动控制器
E.调整控制器