please help me to answer below questionIt is said that never before has man been so highly successful in his attempts to modify the weather on a very small scale.从 in开始后面都是做句子的什么成分?以及之间的修饰关系.

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please help me to answer below question
It is said that never before has man been so highly successful in his attempts to modify the weather on a very small scale.从 in开始后面都是做句子的什么成分?以及之间的修饰关系.

It is said that never before has man been so highly successful in his attempts to modify the weather on a very small scale 据说,此前人们在试图在小规模改变气候方面并未有过如此高度地成功.in his attempts...