The service economy doesn't suggest that we convert our factories into laundries to survive（）.

单项选择题Jim was a stout old gentleman, with a weather-beaten countenance（）.

A．body
B．skin
C．shoulder
D．passionate interest

单项选择题Motivation is the driving force within individuals that impels them to action（）.

A．impedes
B．interferes
C．holds
D．pushes