【简答题】The earth moves round the sun ,and the moon moves round the earth .When our part (部分) of the earth turns to the sun ,it is day ,When our part of the earth turns away from the sun ,it is night. The sun...
【简答题】The earth moves round the sun, and the moon moves round the earth .When our part of the earth turns to the sun, it is day. When our part of the earth turns away from the sun, it is night. The sun is m...
【单选题】Man: My headache is terrible. Maybe I need more sleep. Woman: In fact, you need a hat and less sun. The sun is too bright. What’s the cause of the man’s headache?