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题库 / Prep2007E2-SC-90
Diesel engines burn as much as 30 percent less fuel than gasoline engines of comparable size, as well as emitting far less carbon dioxide gas and far fewer of the other gases that have been implicated in global warming.
of comparable size, as well as emitting far less carbon dioxide gas and far fewer of the other gases that have
of comparable size, as well as emit far less carbon dioxide gas and far fewer of the other gases having
of comparable size, and also they emit far fewer carbon dioxide and other gases that have
that have a comparable size, and also they emit far less carbon dioxide gas and other gases that have
that have a comparable size, as well as emitting far fewer carbon dioxide and other gases having
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as well as emiting这一结构可不可以类似看成是连词+分词的伴随结构，修饰burn的？
不是连词 是介词吧 连词要连接两个句子 而且 as well as前面有个逗号
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