1．What made Copernicus frightened and confused?

A．The fact that the earth was the centre of the solar system.

B．The conclusion that the sun was the centre of the solar system.

C．The fact that the earth runs around the sun.

D．The fact that God made the world.

答案　B

2．Why didn't Copernicus publish his theory immediately？Because .

A．he didn't think it complete

B．he was afraid of being attacked by the Christian Church

C．his friends forbade him to do so

D．no one supported his ideas

答案　B

3．When did Copernicus publish his theory?

A．After his death.

B．Before he told his friends about it.

C．As he lay dying in 1543.

D．Copernicus' theory was never published.

答案　C

4．All the following made it strange if the earth was the centre of the solar system EXCEPT that .

A．some planets in the sky seemed to stop or move backward

B．some planets in the sky appeared brighter at times and less bright at others

C．some planets in the sky seemed to go forward in a loop

D．the sun goes around the earth

答案　D

5. What's the Christian Church's attitude towards Copernicus' theory?

A．The Christian Church objected to Copernicus' theory.

B．The Christian Church was in favor of Copernicus' theory.

C．The Christian Church paid much attention to the theory.

D．The Christian Church thought highly of Copernicus' theory.

答案　A