We have always been interested in the Moon. 2, 000 years ago people already knew it circles around the Earth and it is in different places in the sky at different times of the year. At that time, everything about the Moon was learned by watching it carefully in the sky.

When scientists could use telescopes (望遠鏡) to study the Moon more clearly.. Their ideas began to change. They could see that there were lots of rocks on the surface of the Moon. Most scientists thought Moon rocks would be different from the rocks on the Earth.

in 1969, moon rocks were finally brought to the earth and studied. much to their surprise, scientists found that, except for water, the Moon and the Earth were made of the same things. Once again new ideas came out according to the new information.

After years of study, most scientists now think that the Moon was once part of the Earth. They believe about 4 million years ago, something of the same size as Mars hit the Earth. This sent billions of rocks into space around the Earth. These rocks slowly joined together and at last became the Moon.

In the future, our ideas about the Moon may change again. However, we will still be interested in the Moon.

根據(jù)短文內(nèi)容，完成下列表格，每空一詞。

Scientists'1.about the Moon

2, 000 years age

People already knew the Moon moves around the Earth and it's in different places in the sky at different times of the year.

People watched the Moon carefully to 2.about it.

When scientists could use telescopes

They 3.lots of rocks on the surface of the Moon.

They believed there would be 4.between Moon rocks and the rocks on the Earth.

In 1969

moon rocks were finally brought to the earth for5.

Scientists found that except for the Moon, 6.. And the Earth were made of the same things.

Now

Most scientists think that the Moon was once part of the 7..·

It's 8.that 4 million years age, something hit the Earth and billions of rocks were sent into space.

Then the rocks slowly joined together and 9. the Moon formed.

In the future

10. may take place in people's mind about the Moon again.

1.ideas 2.learn 3.saw 4.differences 5.study 6.water 7.Earth 8.believed 9.finally 10.Changes 【解析】隨著科學(xué)技術(shù)的發(fā)展，人們對月球不斷有新的認識，在1969年月球上的石頭被帶回到地球，科學(xué)家研究發(fā)現(xiàn)月球和地球的組成是相同的。 1.句意：科學(xué)家...
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