第28题: [单项选择]The scientists calculate that a cup of whole milk provides ______ more than 100 calories of energy. A. roughly B. adequately C. exactly D. barely 参考答案:A 答案解析:题意是:科学家们估算出一整杯牛奶______提供100多卡路里的能量。[A] roughly“粗略地,大概地”,符合题意。[B]adequately“足够地,适当地”,[C]exactly“确切地,精