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Until the current warming trend exceeds the range of normal

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/07/08 10:20:23
Until the current warming trend exceeds the range of normal climatic fluctuations,there will be,among scientists,considerable --- the possibility that increasing levels of atmosphere carbon dioxide can cause long-term warming effects.
A interest in
B uncertainty about
C enthusiasm for
D worry about
E experiment on
there will be 如何理解
这句话的主干是there will be uncertainty ,there will be 是there be 的将来时结构,将会有不确定性.其他的单词都是枝叶修饰这句话的,considerable形容词修饰名词uncertainty,about the possibility关于...的可能,后置定语修饰 considerable uncertainty
that increasing levels of atmosphere carbon dioxide can cause long-term warming effects.
是修饰 possibility 的后置定语