题目内容

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.

答案:
解析:

1.energetic 2.exploded 3.in time 4.harmful 5.multiplied 6.development 7.spread 8.methods 9.prevents 10.depends on


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