听写,填入所缺单词(一格一词) A thermometer is an __1__ for measuring __2__. The most common __3__ are Fahrenheit and Celsius or __4__ . Fahrenheit is used in the United State and some other English-speaking countries. On the Fahrenheit scale, the freezing point of water is 32 °F and its boiling point 212 °F . Celsius is used __5__ most of the world. On the Celsius scale, the freezing point of water is 0 °C and its boiling point 100 °C .