About the planet Mars Millie knows little about the planet Mars. She is asking Daniel for more information. Rewrite Millie's sentences using the words in brackets.
1 Are you aware how far Mars is away from the Sun? (distance)
2 Do scientists agree that living on Mars would be possible for humans in the future? (possibility)
3 Do they think that the low gravity on Mars might be a problem? (problem)
4 Are you aware what transport could be like on Mars? (transport)
5 I wonder how many people would be willing to move to Mars. (number)
6 I think people should know that life on Mars would be different from that on the Earth. (differences)
1 Are you aware how far Mars is away from the Sun? (distance)
2 Do scientists agree that living on Mars would be possible for humans in the future? (possibility)
3 Do they think that the low gravity on Mars might be a problem? (problem)
4 Are you aware what transport could be like on Mars? (transport)
5 I wonder how many people would be willing to move to Mars. (number)
6 I think people should know that life on Mars would be different from that on the Earth. (differences)
答案：1 Are you aware of the distance between Mars and the Sun?
解析：“how far Mars is away from the Sun”可以转换为“the distance between Mars and the Sun”，用“be aware of+名词短语”的结构。
2 Do scientists agree on the possibility of humans living on Mars in the future?
解析：“that living on Mars would be possible for humans in the future”可以转换为“the possibility of humans living on Mars in the future”，用“agree on+名词短语”的结构。
3 Have they thought about the problem of low gravity on Mars?
解析：“that the low gravity on Mars might be a problem”可以转换为“the problem of low gravity on Mars”，用“think about+名词短语”的结构。
4 Are you aware of transport on Mars?
解析：“what transport could be like on Mars”可以简化为“transport on Mars”，用“be aware of+名词短语”的结构。
5 I wonder about the number of people willing to move to Mars.
解析：“how many people would be willing to move to Mars”可以转换为“the number of people willing to move to Mars”，用“wonder about+名词短语”的结构。
6 I think people should know the differences of life between on Mars and on the Earth.
解析：“that life on Mars would be different from that on the Earth”可以转换为“the differences of life between on Mars and on the Earth”，用“know+名词短语”的结构。
解析：“how far Mars is away from the Sun”可以转换为“the distance between Mars and the Sun”，用“be aware of+名词短语”的结构。
2 Do scientists agree on the possibility of humans living on Mars in the future?
解析：“that living on Mars would be possible for humans in the future”可以转换为“the possibility of humans living on Mars in the future”，用“agree on+名词短语”的结构。
3 Have they thought about the problem of low gravity on Mars?
解析：“that the low gravity on Mars might be a problem”可以转换为“the problem of low gravity on Mars”，用“think about+名词短语”的结构。
4 Are you aware of transport on Mars?
解析：“what transport could be like on Mars”可以简化为“transport on Mars”，用“be aware of+名词短语”的结构。
5 I wonder about the number of people willing to move to Mars.
解析：“how many people would be willing to move to Mars”可以转换为“the number of people willing to move to Mars”，用“wonder about+名词短语”的结构。
6 I think people should know the differences of life between on Mars and on the Earth.
解析：“that life on Mars would be different from that on the Earth”可以转换为“the differences of life between on Mars and on the Earth”，用“know+名词短语”的结构。