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Fahrenheit is the system of measuring the temperature, how hot or cold something is, used by many people in Britain. The freezing point of Fahrenheit is 32 degrees. So a cold winter’s day in Britain would have a temperature of 38 F (3 centigrade), and a hot summer’s day would have a temperature of 90 F (32 centigrade). The Fahrenheit scale was invented by the German scientist Gabriel Fahrenheit in 1710. Today in Britain most people over twenty-five know the Fahrenheit scale but the centigrade system (Celsius) is being used more and more. Weather forecasts on television and in newspapers show temperature in both scales.

4. It is explained in the passage that the term “Fahrenheit” ____.
A. has retained its popularity among young people
B. is very rarely used in Britain today
C. refers to the scale of temperature between 32 and 90
D. is never used in weather forecasts
E. derives from the name of a German scientist

5. It is implied in the passage that in the long run, the Celsius system ____.
A. will be remembered only by the elderly
B. will soon fall into disuse
C. seems likely to be favored by newspapers but not by television
D. will replace the Fahrenheit one
E. will improve and become more reliable

6. The passage deals with ____.
A. two different systems of measuring the temperature
B. the advantages of the Fahrenheit scale over the Celsius scale
C. the scientific research carried out by Gabriel Fahrenheit
D. the range in temperature to be found in the British isles
E. the declining popularity of the Celsius scale in Britain