選擇方框中所給詞語的適當形式填空, 使短文正確,通順,連貫。
每詞限用一次。(每空1分, 共10分)

There is nothing more【
小題1】 than the sun. Without the sun, all【
小題2】 things on the earth will【
小題3】. The sun is a star. In the sky there【
小題4】 thousands of stars like the sun. They are as large as the sun and as hot as the sun. At night you can see many stars,【
小題5】 in the daytime you can only see one star, the sun.
The sun is much nearer to us than any other star. This is【
小題6】 it looks biggest and
__小題1: of all the stars. The distance of the sun from the earth is as much as 150【
小題8】__ kilometers. Most of the stars are thousands of light years(光年)away from the earth.
Do you know the light year? Nothing in the world travels faster than light. It __
小題2:__ at 300, 000
小題3:a second. And one light year is the distance that light travels in one year.