下面的一段文章为原文的缩写.仔细阅读.根据原文内容将其补充完整.并尽量背诵. The earth was just a cloud of 1 dust afte

下面的一段文章为原文的缩写，仔细阅读，根据原文内容将其补充完整，并尽量背诵。

The earth was just a cloud of 1 dust after the “Big Bang”, then the dust began to combine into a ball moving around the sun．The earth 2 loudly with fire and rock, to be 3 to produce many things, which make the earth’s atmosphere, water stayed on the earth and people think it is important for the beginning of life．It allowed the earth to dissolve 4 gases．Then life began to develop．

Nobody understood plants were the start of changes．They 5 and filled the first ocean and seas with oxygen．This encouraged the 6 of early shellfish and fish．Land animals such as insects, reptiles and dinosaurs and so on appeared after the first green plants appeared．Small clever animals 7 all over the earth．They developed new 8 of growing, hunting and moving．Too much carbon dioxide was put into the atmosphere, which 9 heat from the earth into space．Whether life continues 10 whether this problem can be solved．

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