题目

 - ______? -It's twenty yuan. A. How many is it     B. What is it C. How money is it   D. How much is it 答案： D. 提问价格用how much。夏季防止蔬菜、水果腐烂，宜采用的保鲜方法是。A．冷藏 B．冷冻 C．晒干 D．盐渍