It is reported that Americans eat too much protein every day, as they actually need.A.twice as muchB

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【题目】It is reported that Americans eat too much protein every day, _______ as they actually need.

A.twice as muchB.as twice muchC.much as twiceD.as much twice

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【答案】A

【解析】

考查倍数表达。句意：据报道美国人每天吃太多蛋白质，是他们实际需要的两倍。分析句子可知，此句考查as…as…表倍数，倍数要放在第一个as前面，故选A。