In an average winter, highway
departments spread some ten million tons of salt to keep roads safe. The
corrosive effects are well known, but for years they’ re been dismissed with the
argument that at around $ 25 a ton, salt is far cheaper than any
alternative.
Lately, economists have added up the actual costs.
The Environmental Protection Agency estimates that salt-induced road damage and
vehicle corrosion cost $ 3 billion a year. That does not include damage to
underground cables, which adds hundreds of millions to utility bills. Nor does
it reflect the cost of brine leaking into porous water pipes, threatening the
water supply. Salty water leaches into roadbeds, kills evergreens and poisons
streams.
The various costs probably add another $ 2 billion
A. road damage
B. vehicle corrosion
C. damage of underground cables
D. car accident
更多"下面有3篇短文，每篇短文后有5道题，每题后面有4个选项。请仔细阅读短文"的相关试题:
[单项选择] 下面有3篇短文，每篇短文后有5道题，每题后面有4个选项。请仔细阅读短文并根据短文回答其后面的问题。
{{B}}第一篇{{/B}}
{{B}}
Shakespeare{{/B}}
When talking about the world’s greatest poet and greatest dramatist, only
one name can possible suggest itself; that of William Shakespeare. Nearly every
Englishman has some knowledge, however slight, of the work of this greatest
writer. We use words, phrases and quotations form Shakespeare’s writings that
have become part of the common property of English-speaking people. Most of the
time we are probably unaware of the source of the words we use. For example, and
old lady, after seeing a performance of Hamlet complained, "It was full of
well-known proverbs and quotations!"
Shakespeare made full use
of the great resources of the English language. Most of us use about five
thousand words in
A. Most of the people have taken courses in Shakespeare’s works.
B. The English-speaking people like to mention the names of Shakespeare’s works.
C. Most of the people know clearly how to use the words and phrases from Shakespeare’s works.
D. Many of the words and phrases used by the English-speaking people are taken from Shakespeare’s works.
[单项选择] 下面有3篇短文，每篇短文后有5道题，每题后面有4个选项。请仔细阅读短文并根据短文回答其后面的问题，从4个选项中选择1个最佳答案。 {{B}}第一篇{{/B}}
{{B}}A New Finding{{/B}}
British
cancer researchers have found that childhood leukaemia is caused by an infection
and clusters of cases around industrial sites are the result of population
mixing that increases exposure. The research published in the British Journal of
Cancer backs up a 1988 theory that some as yet unidentified infection caused
leukaemia—not the environmental factors widely blamed for the disease.
“Childhood leukaemia appears to be an unusual result of a common
infection,” said Sir Richard Doll, an internationally—known cancer expert who
first linked tobacco with lung cancer in 1950. “A virus is the most likely
explanation. You would get an increased risk of it if you suddenly put a lot of
pe
A. Most people believe childhood leukaemia is due to environmental factors.
B. Population mixing best explains the cause of childhood leukaemia.
C. Radiation has nothing to do with childhood leukaemia.
D. Children born in a large town are at higher risk of leukaemia.
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