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  • 更新 2022-09-03
  • 科目 英语
  • 题型 填空题
  • 难度 中等
  • 浏览 529

阅读下面短文,按照句子结构的语法性和上下文连贯的要求,在空格处填入一个适当的词或使用括号中词语的正确形式填空,并将答案填写在答题卡的相应位置上。
The earth was just ________ cloud of dust after the “Big Bang”. The earth exploded loudly with fire and rock. ________ were in time to produce many things,which were to make the earth’s atmosphere. As the earth cooled down,water began to appear on ________ surface. It allowed the earth to dissolve ________(harm) gases. Then life began to develop.
Small plants multiplied and filled the first oceans and seas with oxygen. This encouraged the ________(develop) of early shellfish and fish. Land animals such _______ insects,reptiles and dinosaurs appeared after green plants appeared. Small clever animals spread all ________ the earth. They are putting too much carbon dioxide into the atmosphere, ________ prevents heat from escaping from the earth into space. _______ life will continue on the earth for millions of years to come will depend on whether this problem can ___________(solve).

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阅读下面短文,按照句子结构的语法性和上下文连贯的要求,在空格