【单选题】( ) 分为:滚动接触和滑动接触两种形式。
【单选题】在递增负荷的运动过程中,人体由有氧代谢供能进入到有氧代谢和无氧代谢共同供能的转折点称为
【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。( )
【判断题】人体由有氧代谢进入到无氧代谢称为无氧阈。
【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
【简答题】(not pass) ________ the final examination, she was laughed at by her classmates.