扫描二维码，直接登录
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
还没有题目讲解（毕出老师会陆续发布对官方考题的解读，请保持关注）。
1.incidentally, in the official correct sentences, i\'ve never seen \'as well as\' followed by anything other than a noun. (remember that \'__ing\' can be a noun; that\'s the role played by \'emitting\' here.) as well as是介词，后面通常接名词（Ving也是名词形式）
2.having done (without a comma) 永远不对，因为完成时态表示一个永久的状态，而Ving表示一个暂时的状态，二者矛盾
登录 或 注册 后可以参加讨论