There are millions of stars in the sky.If you look at the sky（A）

on

on

a clear night，it is possible that you can see （B）about 3，000 stars.They look small， （C）

but

but

they are really very big hot balls of burning gas（燃燒的氣體）.Some of them are a lot smaller，like our planet-the Earth.The biggest stars are very bright，but they only live in a short time.Every day new stars are born and old stars die.
    （D）所有的星星離我們都很遠(yuǎn).The light from the nearest star takes （E）more than four years to get to the Earth.Hundreds of years ago，（F）people used stars to know the direction.For example，we can know north from the North Star.Today you can still see that star in the sky.

（1）在文中（A）和（C）的空白處填入適當(dāng)?shù)膯卧~：

on

on

；

but

but

（2）寫出文中畫線部分（B）和（E）的同義詞或近義詞：

almost

almost

；

over

over

（3）將文中畫線部分（D）翻譯成英語：

All the stars are far away from us.

All the stars are far away from us.

（4）將文中畫線部分（F）處改寫為：people used stars

to recognize

to recognize

the direction.
（5）從文中找出能說明本文主旨大意的詞：

There are millions of stars in the sky.

There are millions of stars in the sky.