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长句分析Therefore,when we consider the amount of pollution produ

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长句分析
Therefore,when we consider the amount of pollution produced per passenger kilometre travelled,a car journey is no more fuel efficient and environmentally friendly than a long-distance flight.中1.produced per passenger kilometre travelled是什么句式结构?特别是后面一个travelled如何解释语法现象?2.什么词性,可以修饰什么类型的词?3.no more than fuel efficient 是否搭配是否合理,4.fuel efficient and environmentally friendly 这些词可否插入no more than之中 ,是否修饰more?more在这里是什么词性?并起什么作用?
1.(pollution)produced per passenger kilometre travelled 每人每千米所产生的污染量
2.per 是“每个,一个”的意思,travelled 修饰kilometre,意即“被走过的千米数”
3.no more ...than ---不比...更...a car journey is no more fuel efficient and environmentally friendly than a long-distance flight 意思即“一个长途飞行比一个汽车旅程更节能且环保”fuel efficient (或fuel-efficient )是一个形容词词组,即“节省燃料的”
4.fuel efficient and environmentally friendly 用在no more 后面,因为no more 后面必须加形容词或副词,表程度,more用来修饰改成份,而than后面必须加被比较的对象