The crop circles were thought to be the greatest works of modern art, the signs of ______

A.1人

B.2人

C.3人

D.4人

A.centers

B.cores

C.circles

D.comments

A．Bikes were used for 150 years.

B．People were not so enthusiastic to bikes.

C．There were several bike booms in the U.S.

D．More people got to use cars.

A．It begins on campus.

B．It's five miles long.

C．It circles the campus.

D．It takes a few days to cover.

______________________________ (令我们宽慰的是，观众对我们的演出十分欣赏). Most of them were college students.

According to the passage, as employment became a dominant form. of work,

A．women were left to work at homes

B．old people tend to live a more active life

C．women enjoy more working opportunities

D．men and women begin to share the household work

A．In all, forty technicians were sent to the launch.

B．Some specialized technicians were sent to prevent accidents.

C．All the technicians overland were sent to Marblla in six Range Rovers.

D．About half as many technicians as cars were sent to the launch.

A.New Zealand

B.Japan

C.Singapore

D.China