高中英语语法填空,跪求大家解释一下Dr R. Milliman has shown that music can boost sales or increase factory _________(produce) by as much as _________ third. 答案是production a不过我想问问为什么第一空不是produced啊?

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高中英语语法填空,跪求大家解释一下DrR.Millimanhasshownthatmusiccanboostsalesorincreasefactory_________(produce)byasmu

高中英语语法填空,跪求大家解释一下Dr R. Milliman has shown that music can boost sales or increase factory _________(produce) by as much as _________ third. 答案是production a不过我想问问为什么第一空不是produced啊?
高中英语语法填空,跪求大家解释一下
Dr R. Milliman has shown that music can boost sales or increase factory _________(produce) by as much as _________ third.
答案是production a
不过我想问问为什么第一空不是produced啊?而且第二空也是,我在看前面语法讲解时,书上说序数词前面用the,现在答案却是a,为什么啊?

高中英语语法填空,跪求大家解释一下Dr R. Milliman has shown that music can boost sales or increase factory _________(produce) by as much as _________ third. 答案是production a不过我想问问为什么第一空不是produced啊?
这里product 是名词,表示“产量”“产品”.它用作increase的宾语.或者从另外一个角度说,只有名词,动名词,或名词性从句才能充当宾语.
而produced 是过去分词,具有形容词的性质,不能用作宾语.
a third 是序数词的特殊用法,表示“三分之一”.