【单选题】( ) 分为:滚动接触和滑动接触两种形式。
【简答题】简要谈谈梅奥的霍桑实验的总结性内容,并选取其中一点,结合自己的工作经历,谈谈看法和认识
【单选题】Her stubbornness and _____ lead to her final success.
【判断题】普通白炽灯,灯泡中有钨丝并充有惰性气体或抽成真空。( )
【单选题】猪是猪肉绦虫的何种宿主
B.
intermediate host and final host
【单选题】The final aim for the driverless bus in the future is______.
A.
to run on special lanes reserved for its own
B.
to make the factory workers transport more comfortably
C.
to run harmonious along with other traffic
D.
to serve the airport and campus only