第28题: [单项选择]Temperatures in the United States ______ measured according to the Fahrenheit Scale, on which 32 degrees ______ the freezing point and 212 degrees the boiling point. A. are; is B. are; are C. is; is D. is; are 参考答案:A 答案解析:temperatures指所有的温度为复数概念,其谓语用复数形式。