听短文,回答问题 1. Which is the biggest, the sun ,the moon or the earth? A. The sun. B. The moon. C. The earth. 2. How far is it from the earth to the moon? A. 38,000 kilometres. B . 3800,000 kilometres. C. 380,000 kilometres. 3. Can you jump higher on the moon than on the earth? A.Yes, I can. B. No, I can't. C. Sorry, I don't know. 4. What does the moon look like we can see on the earth? A. Bread B. A cake C. An egg 5. How long does it take to get to the moon by spaceship? A. Over three days. B. More than three hours. C. Less than three days.