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专业八级改错练习 第87期
Since 1965, when is equipment became operational, a
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device called Eros has been helped to make sky traffic__1__
safe. Eros is short for Eliminate Range Zero System−
range zero meaning collisi -
专业八级改错练习 第86期
People eslewhere agree on what a mountain is—or do __1__
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they? The fact is that definitions vary. Everyone admits
for example, that Everest is a mountain, the lowest of __2__
them all, an altitude -
专业八级改错练习 第85期
People's attitude toward drugs varies from person to
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person. Some regard it as miraculous; others think of __1__
them as dangerous. Then what is the sensible attitude
toward drugs? I think the fi -
专业八级改错练习 第84期
You send your children off to school and put them
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in the teacher's hands. Did you ever wonder what
goes through a teacher's mind as he or she tries to
teach your kids? Did you ever wonder how t -
专业八级改错练习 第83期
Traditionally, the American farmer has always been
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independent and hard-working. In the eighteenth century farmers
were quite self-sufficient. The farm family grew and made almost
nothing it needed -
专业八级改错练习 第82期
Changes in the way people live bring about changes in the
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jobs that they do. More and more people live in towns and cities
instead on farms and in villages. Cities and states have to provide __1__ -
专业八级改错练习 第81期
Many of the home electric goods which are advertised as liberating
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the modern women tend to have the opposite effect, so they simply __1__
change the nature of work instead of eliminting it. Machine -
专业八级改错练习 第80期
Before 1973, abortion was illegal in America unless the woman's
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health was threatened. In March of 1970, Jane Roe, a single
woman, instituted this federal action against the District
Attorney of -
专业八级改错练习 第79期
Several years ago, we began construction on a new church buliding.
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In the beginning, the workmen dug a big pit in the ground and
then they began to pour footings. Footings are cement piers under __1 -
专业八级改错练习 第78期
Thirty or forty years ago, when most mothers in
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the United States didn't have jobs, ,homes were busier
places. Children went to school from 9 A.M to 3 P.M.
and spent the most of the time in the h -
专业八级改错练习 第77期
Poverty exists because our society is an unequal one, and there are powerfulpolitical pressures to keep it that way. Any attempt to redistributing wealth and in __1__
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come in the United States will -
2010年专八改错练习(3)
About half of the infant and maternal deaths in developing countries could be avoided if women had used family planning methods to prevent high risk ____1pregnancies, according to a report publishin
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2010年专八改错练习(2)
It is difficult to think of a nation as an abstract collection of people
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living on a patch of territory.
It is easier to think of as a person.
This is why we sometimes call Great Britain -
2010年专八改错练习(1)
Ancient man attempted to change the weather by using magic.
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While experience taught him this was impossible, __1__
he tried to forecast weather conditions. Even earlier in -
专业八级改错练习 第76期
Pronouncing a language is a skill. Every normal person is
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expert in the skill of pronouncing his own language, and __1__
few people are even moderately proficient at pronouncing
foreign languages -
专业八级改错练习 第75期
It seems that every country, race, and religion observe some
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type of holiday or festival. The two most celebrating holidays __1__
in the North and South America, Australia and Eueope, and
in the m -
专业八级改错练习 第74期
Exercise is one of the few factors with a positive role in long
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term maintenance of body weight. Unfortunately, that message has
not gotten through to the average American, that would rather try __ -
专业八级改错练习 第73期
Today we take for granted that the mail will be delivered __1__
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daily at our door. But many years ago it might have been
placed in a tree trunk and underneath a rock. In the early __2__
days of th -
专业八级改错练习 第72期
Childhood is a time when there are few responsibilities
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to make life difficult. If a child has good parents, he
is fed, looked after and loved, what he may do, It is __1__
improbable that he will -
专业八级改错练习 第71期
We use language primarily as a means of communication with
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other human beings. Each of us shares with the community in which we
live a store of words and meanings as well as agreeing conventions as -
专业八级改错练习 第70期
Many students today display a disturbing willingness to choose
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academic institutions, fields of study and careers in the basis of __1__
earning potential. In an extensive 1989 survey of college stud -
专业八级改错练习 第69期
Aimlessness has hardly been typical of the postwar Japan whose
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productivity and social harmony are the envy of the United States
and Europe.But increasingly the Japanese is seeing a decline of their -
专业八级改错练习 第68期
For over 900 years, the Tower of London has served as a loyal __1__
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palace and fortress. Today, it's famous for its bloody history and
for being the place where the Crown Jewels are kept.But it has -
专业八级改错练习 第67期
Some people say love makes the world go around.
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Others say it is not love; it's money.Since the __1__
truth is that it is energy that makes the world
go around. Energy is the currency of the ecol -
专业八级改错练习 第66期
Is language, as food, a basic human need? Judging __1__
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from the drastic experiment of Frederick in the
13th century it may be. Hoping to discover what
language a child would speak if he heard mot
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