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    【題目】There are only ________ natural resources as there were thirty years ago.

    A.as half muchB.as half manyC.half as muchD.half as many

    【答案】D

    【解析】

    考查倍數(shù)。句意:現(xiàn)在的自然資源只有三十年前的一半。倍數(shù)的常見用法有:倍數(shù)+as+形容詞或副詞的原級+as+其他。倍數(shù)+形容詞(或副詞)的比較級+than+其他。倍數(shù)+thesize/height/length/width.etc.+of+其他。名詞natural resources為可數(shù)名詞,所以用many修飾。故選D。

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