【单选题】理论和实践都证明,( )配置资源是最有效率的形式。
【单选题】理论和实践都证明,配置资源最有效率的形式是( )
【单选题】理论和实践都证明,( )配置资源是最有效率的形式。
【判断题】混凝土受拉时的弹性模量与受压时相同。( )
【单选题】After greeting a new guest, the receptionist needs to _____.
A.
call housekeeping department to check the room
B.
ask the guest the length of his stay.
C.
ask the guest’s ID card
D.
check the guest’s reservation
【多选题】植物中,种类最多的三大科包括以下哪几项?()
【判断题】理论和实践都证明,市场配置资源是最有效的形式。
【单选题】After greeting a new guest, the receptionist needs to _____.
A.
call housekeeping department to check the room.
B.
ask the guest the length of his stay.
C.
ask for the guest's ID card
D.
check the guest's reservation
【单选题】理论和实践都证明,()配置资源是最有效率的形式。