there is no water and air on the moon, is there?_____________________
举一反三
- There isn't water or air on the moon, and ____ man can't live on it. A: a B: the C: one D: /
- A plane can't fly to the moon because ______. A: the moon is 240 kilometer far away B: we don't know where it is C: it can't fly without air D: there is no air on the moon
- Water is as _______ to fish as air is to man.
- 10. The moon is completely empty of water because the force of gravity on the moon is much less than on the earth.
- （） is used for cylinder and cylinder head， the salt water is used for cooling the lubricating oil， the fresh water in the coolers and the charging air in the air cooler.