What is Cold How cold is cold It all depends on who is
talking. To us ordinary people nothing in the world maybe so cold as failing
through the ice on a frozen lade, or huddling(卷缩)on a windswept mountain
hoping to be rescued in the dead of winter. Some may even think they are
freezing to death when rushing under an ice-cold shower just out of a warm bed.
Indeed, we all know what cold means. Arctic(北极) .explorers would laugh at such
ideas. Down in the Antarctic(南极), where scientists of many nations spend very
dark months living on a sheet of ice two miles thick, the temperature spends
most of its time at 50or60 degrees Fahrenheit below zero, often with
hundred-mile winds and heavy snowstorms. This is the cold that is cold, to
them. Space people have still another standard. The coldest
place in which a person can live and survive is some 400 degrees hotter than
space itself,". However, the coldest place in earth-colder even than
space-is inside a machine called a cryostat(低温保持器). Here, scientists and
engineers in thousands of laboratories and factories in many parts of the world
regularly make cold that turns the South Pole’s worst into a pleasant summer
day. They are inching toward such cold that there is no temperature at all-down
a frozen valley that leads to Absolute Zero, 459.67 degrees Fahrenheit below our
zero of a cold winter’s day.
Which of the following statements is true
A．Arctic explorers think it is fun to live on ice for months. B．To Arctic explorers, --60 °F with high winds and heavy snow is coldest. C．The Antarctic has--50 °F or --60weather all the year round. D．To Antarctic explorers, --60 °F with winds and heavy snow is coldest.
