2019年海南专四专八考试准考证打印时间

What does the cancellation of the 16-day flight mean?

A．The scientists on the ground are pursuing only their most important experiments.

B．The shuttle team will be disappointed at the curtailment of the science mission.

C．The science will complete the experiments on a later shuttle flight.

D．The remaining generators are sufficient.

The Americans won the war of independence in the decisive battle at ______.

A．Boston

B．Yorktown

C．Norfolk

D．Pittsburgh

He bought a photocopier ______.

A．by accident

B．because he couldn't find a place to make a photocopy

C．because there was no place nearby to provide the photocopy service

D．because all sorts of people need it