单选题 Americans eat______as they actually need every day.
  • A. twice as much protein
  • B. twice protein as much twice
  • C. twice protein as much
  • D. protein as twice much
【正确答案】 A
【答案解析】[解析] 此题考查比较级的倍数表示方法。much修饰名词，应放在protein之前，twice表示倍数，修饰as much protein as，也应前置。