1 Paragraph 2_________.
2 Paragraph 3_________.
3 Paragraph 4_________.
4 Paragraph 5_________.
A Early Ideas about the Sky and the Stars
B The Importance of the Sun to Life on Earth
C Primitive Knowledge of the Moon
D The Sun in Autumn and Winter
E Early Ideas about the Earth
F Collecting Evidence about the Sun
5 Early man thought the earth was small and flat because .
6 Primitive man believed the sun was a god because .
7 Early man thought the earth was the center of the universe because .
8 Early astronomers believed that the sky was a crystal shell or series of crystal shells because .
A he did not observe the sun carefully enough
B he could not see its curve
C the sun, the moon and the stars seemed to move around it
D the earth circles around the sun
E it looked like that at night
F it has power over life on earth
【参考答案】
1. F 2. B 3. E 4. A
5. B 6. F 7. C 8. E