( ) 16. By which year will people live on Venus?
A. 2100.
B. 2200.
C. 2300.
( ) 17. Why will scientists create special spacesuits and space houses?
A. Because the temperature is too low.
B. Because there isn't enough sun power.
C. Because the temperature is too high.
( ) 18. What will the food be like on Venus?
A. Fresh and delicious.
B. Dry and tasteless.
C. Sweet and yummy.
( ) 19. Why is the transport very convenient on Venus?
A. Because there are fewer people.
B. Because cars are expensive on Venus.
C. Because Venus is too far from Earth.
( ) 20. What is the guide mainly about?
A. The future life on Venus.
B. The travel plan to Venus.
C. The advantages of living on Venus.

请看下面的情景提示:
人类正在考虑移居其他星球,因为地球上污染严重。许多人认为在火星上生活会很有趣,但是你不确定。
(1)
(2)