A-A+
Americans eat______as they actually need every
问题详情
Americans eat______as they actually need every day.
A．twice as much protein
B．twice protein as much
C．twice protein as much
D．protein as twice much
参考答案
正确答案：A
解析：句意：美国人所食用的蛋白质是他们实际需要的两倍。本题考查倍数的表达。表达倍数的方法是:…times as…as…，在两个as之间可用many(修饰可数名词)，much(修饰不可数名词)和其他相应的词。所以答案是A．twice as much protein。
