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This washing machine is environmentally friendly because it uses ________ water and electricity than ________ models.

[  ]
A.

less; older

B.

less; elder

C.

fewer; older

D.

fewer; elder

答案:A
解析:

water和electricity为不可数名词,应由less修饰,故排除C和D项。older常常作定语修饰一个家庭里(有血统的)较年长的人。older可以作定语和表语,意思是“较旧的,较年长的”,修饰人或物。语意为:因为比旧机型节水、耗电量小,所以这台洗衣机是环保的。


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