III.​Read the passage carefully, and then choose the correct answers.

​In the future, people will build houses on the moon. The best place for houses in a moon town will be

underground. Underground houses will be safe, and the temperatures will not be very high during daytime

and not very low at night.

​Moon homes may be balloons with oxygen, and people will wear oxygen masks when they are away

from home because the moon has no air around it. The house might have beds, tables, and chairs, so people

will sleep, eat, and work in their home. Moon-house building will be easy.

66.​In a moon town, what is the best place for house?

​A. a balloon ​B. on the ground ​C. underground ​D. in the air

67.​Which of the following is true?

​A. The people on the moon will not leave their homes.

​B. The people on the moon will wear oxygen masks when they leave their homes.

​C. The moon homes are very hot during daytime.

​D. The temperatures will be very high during daytime and very low at night.

68.​Why do people need oxygen when they stay on the moon?

​A. Because the moon is too large.

​B. Because the moon houses are full of air.

​C. Because people sleep, eat, and work outside their houses.

​D. Because the moon has no air.

69.​How comfortable are the houses on the moon?

​A. They have furniture for people to sleep, eat, or work.

​B. They have many balloons.

​C. They don't have any furniture.

​D. They have all kinds of furniture.

70.​In the writer's opinion, will people build houses on the moon?

​A. No, they can't.

​B. They might not do it.

​C. Of course, they will.

​D. People only think so.