- 单选题Some scientists（）that the carbon dioxide content of atmosphere will cause the Earth to warm up.
- A 、estimated
- B 、prescribed
- C 、established
- D 、predicted
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参考答案【正确答案：D】
predict意思是“预言，预测”，强调针对未来。译：一些科学家预言，大气中所含的二氧化碳将导致地球气温上升。estimate估计，强调针对数量或规模等；prescribe开药方，指定，规定。establish建立，确定。
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- A 、kept up with
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- A 、when
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