单选题 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


【正确答案】 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。