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科目:初中英語(yǔ) 來(lái)源:活學(xué)巧練八年級(jí)英語(yǔ)上 題型:054
完型填空
There is nothing m 1 important than the sun. Without the sun all the l 2 things on the earth will die. The sun is a star. In the sky. there a 3 many stars like the sun. They are as l 4 as the sun and as hot as the sun. A 5 night, you can see many stars, but i 6 the daytime, you can see only one star-the sun.
The sun is much n 7 to us than any other stars. That's why it looks the biggest and brightest of all the stars. The distance(距離) of the sun f 8 the earth is as much as 150 million kilometres. Most of the stars are thousands of light years a 9 from the earth.
Do you know what is the light year? Nothing in the world travels f 10 than light. It travels 300,000 kilometres a second(秒). And one light year is the distance that light travels in one year.
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科目:初中英語(yǔ) 來(lái)源:101網(wǎng)校同步練習(xí) 初二英語(yǔ) 外研版課標(biāo)本 外研版課標(biāo)本 題型:054
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