【单选题】As is known to all, China _______the group of developing countries.
【单选题】In induction motors the speed of the rotating rotor ( ) the speed of the rotating magnetic field
【单选题】在法律为思想道德提供制度保障过程中,( ) 有助于增强人们信守法律的思想道德水平,引导人们自觉履行法定义务、家庭责任、社会责任。
【单选题】Helicopters are set to motion by means of______.
A.
one rotating fan in the centre of the aircraft and others at each end
B.
a rotating fan underneath for lifting
C.
a rotating device on top
D.
a combination of rotating devices in front and on top
【简答题】“纸上得来终觉浅,绝知此事要躬行”说明教师应该具有一定的( )。
【判断题】In "a rotating bed" and "a rotating blade", rotating in each expression means turning around a fixed point.
【单选题】What must be assigned to establish an asset as Rotating?()
【单选题】在法律为思想道德提供制度保障过程中,( )有助于增强人们信守法律的思想道德水平,引导人们自觉履行法定义务、家庭责任、社会责任。