as well as doing
"gas" is singular, so "far fewer of the other gas" is nonsense. (you can't have "fewer" unless you can count things, and you can't count things unless they're plural.)
as well as是adv,直接名词或者动名词,having been分词形式是错误用法
as well as介词加ving;other gases having 这里做修饰很勉强;fewer+gas肯定不对
as well as doing something 位于逗号后,对主句的谓语动作做出补充,为正确的习语结构
as well as emit习语使用错误,应为emitting;having implicated为错误的结构,应改写为that have implicated
D的they是指前面一句哪一个复数名词呢?YOU MAD BRO?
having implicated为错误的结构,应改写为that have implicated
as well as不是连词
having been错误
as well as emit习语使用错误,应为emitting;having implicated为错误的结构,应改写为that have implicated
2. having been implicated的逻辑谓语有歧义,是修饰gases 还是CO2 and other gases
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