【单选题】The French pianist has not decided yet which orchestra ______.
【简答题】Which company does he work in at present? ________________.
【简答题】Which company does he want to work with?
【简答题】Which company does David Stevenson work for?
【单选题】曲线y=x3在点(1,1)处的切线斜率为( )
【简答题】Which department does Simon Winters work in?
【简答题】曲线y=x 3 -4x在点(1,-3)处的切线斜率为______.
【简答题】曲线y=x 3 -1在点(1,0)处的切线斜率为______.
【简答题】In which of the following ways does the handgrip work?
【简答题】Which company does she work for?