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Americans eat ___________ as they actually need everyday.

A.twice as much protein
B.twice protein as much twice
C.twice protein as much
D.protein as twice much

参考答案

参考解析
解析:考查倍数表达法。句意为“美国人每天所摄入的蛋白质是他们实际需要的两倍”。倍数+as…as意为“是……多少倍”.故选A。
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