For blue-collar workers, their work often involves in_____（）

America’s skilled white-collar work force has overtaken the ranks of skilled blue-collar workers for the first time.(翻译)

______ is often the case, workers have over fulfilled their work program.

A．Which

B．It

C．That

D．As

her income than college graduates. The old distinction that white-collar workers make a better living than blue-collar workers no longer_____true.

A．hold

B．stay

C．come

D．become

______ is often the case, workers have overfulfilled their work program.

A．Which

B．It

C．That

D．As

g a single physical work station or surface during different time periods.

In the past, the workers were often forced (work)______twelve or fourteen hours a day.

What is implied but not stated in the passage is that in the past

A．blue-collar workers made a better living than white-collar workers

B．college and graduate schools trained more skilled workers

C．there were more white-collar workers than blue-collar workers

D．there were less white-collar workers than blue-collar workers

What is a “sandwich course” in the UK university programs？

A.The course is often consisted of five years and involves two year in the work place.

B.The course is often consisted of four years and involves one year in the work place.

C.The course is often consisted three year undergraduate program and one year postgraduate program.

D.The course is often consisted a two-year study at UK and a one-year study abroad.