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Although the mission was to be kept a secret, __________ to the press.
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It seems that some people are not satisfied with _____ the earth. That’s why they want to live on Mars.
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When the façade needed to be renovated, the building committee voted to __________.
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She became the first black woman to be___________ to the Senate.
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__________ the classroom needs to be cleaned.
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Many kinds of animals are believed to have _________ from the earth.
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In the long run, the most insoluble problem caused by population growth on earth will probably be the lack of ________.
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Earthquakes have plagued our lives and resulted in great damage to the human beings for as long as people have ____ the earth. (选词填空:inhabited; inhibited)
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The amount of oil from the earth is ever decreasing, and we will be officially_____oil some day.
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It can be inferred from the passage that the gases of the Earth's atmosphere are contained by ______.
A.a closed surface
B.the gravity of the planet
C.the field of space
D.its critical point
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The word "down-to-earth" (Line 4, Para. 3) most probably means ______.A.changeableB.expens
The word "down-to-earth" (Line 4, Para. 3) most probably means ______.
A.changeable
B.expensive
C.reasonable
D.fixed
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_______ the moon moves round the earth is well known to all of us.
A. That
B. What
C. When
D. As
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Whtevermount you decided to ______, be certin tht the money will be put to good use.exchngeBWhtevermount you decided to ______, be certin tht the money will be put to good use.exchnge B.clculte C.
A.exchange
B.calculate
C.donate
D.distribute
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It has been estimated that the earth’s surface temperature has increased ________ one quarter to three quarters of a degree since 1805.
A) to
B) be
C) at
D) with
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It can be learned from the passage that oil exploitation beneath ANWR' s frozen earth ______.
A.involves a lot of technological problems
B.remains a controversial issue
C.is expected to get under way soon
D.will enable the U.S. to be oil independent
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It has been estimated that the earth's surface temperature has increased ______ one quarter to three fourths of a degree since 1850.
A.by
B.at
C.to
D.with
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Galileo found it difficult to believe that the sun rotated around the earth and the earth______the center of the universe.
A.to be
B.is
C.was
D.would be
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The word “down-to-earth”(Line 4, Para. 3 most probably means ______.A.changeableB.expensiv
The word “down-to-earth”(Line 4, Para. 3 most probably means ______.
A.changeable
B.expensive
C.reasonable
D.fixed
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The aim of "the right to be forgotten" is to______.
A.advocate fair disclosure of information
B.guarantee freedom of speech
C.prevent privacy infringement
D.restrain information circulation
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In 1971 there were about 3,700 million people in the world. If the population were 【C1】______ evenly over the earth' s surface there would be about 50 people to the square mile; but there are vast areas of desert and mountain and tropical forest 【C2】______ are uninhabited, 【C3】______ at the other 【C4】______ , in the great cities millions may live within a few square miles.
【C5】______ of the world' s population is concentrated on only a small 【C6】______ of the earth' s land surface, in the rich valleys and 【C7】______ plains, because people up to the present time have 【C8】______ to congregate in place where the climate and soil make it easy to grow food and obtain shelter.
A 【C9】______ world population and the discoveries of science 【C10】______ this pattern of distribution in the future. As men slowly learn to master diseases, control floods, prevent famines, and stop wars, fewer people die every year; and in 【C11】______ the population of the world is steadily 【C12】______ .
When numbers 【C13】______ , the extra mouths must be fed. New lands must be brought 【C14】______ cultivation, or land already 【C15】______ , made to yield larger crops. In some areas the accessible land is largely so intensively cultivated 【C16】______ it will be difficult to make it 【C17】______ more food. in some areas the population is so dense that the land is divided into. units 【C18】______ tiny to allow for much improvement in farming methods. 【C19】______ a large part of this farming population drawn 【C20】______ into industrial occupations, the land might be farmed much more productively by modern methods.
【C1】______
A.scattered
B.restrained
C.separated
D.resembled
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" Down-to-earth" means someone or something that is honest, realistic and easy to deal with. It is a pleasure to find【31】______who is down-to-earth. A person who is down-to-earth is easy to talk【32】______ and accepts other people as equals. A down-to-earth person is just the【33】______of someone who acts important or proud.
Down-to-earth persons may be【34】______members of society, of course. But they do not let their importance "【35】______to their heads". They do not consider themselves to be better persons than【36】______of less importance. Someone who is filled with his own importance and pride, 【37】______without cause, is said to have "his nose in the air". There is【38】______way a person with his nose in the air can be down-to-earth.
Americans【39】______another expression that means almost the same as " down-to-earth". The expression is " both-feet-on-the-ground". Someone【40】______both-feet-on-the-ground is a person with a good understanding【41】______reality. He has what is called "common sense, " he may have dreams, 【42】______he does not allow them to block his knowledge of【43】______is real.
The opposite kind of【44】______is one who has his " head-in-the-clouds". A man with his head-in-the-clouds is a dreamer【45】______mind is not in the real world.
【46】______, such a dreamer can be brought back to earth. Sharp words from teacher can usually【47】______a day-dreaming student down-to-earth.
Usually, the person who is down-to-earth is very【48】______ to have both feet on the ground.【49】______we have both our feet on the ground, when we are down-to-earth, we act honestly and openly【50】______others. Our lives are like the ground below us, solid and strong.
(31)
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Within ten yers scientists will probbly hve ___________{the nucleus ofWithin ten yers scientists will probbly hve ___________{the nucleus of cell B.cloned humn beings C. humn being in two yers D. lw to bn humn cloning E. report on humn cloning F.hevy medi coverge
A.the nucleus of a cell
B.cloned human beings
C.a human being in two years
D.a law to ban human cloning
E.a report on human cloning
F.heavy media coverage
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The spatial resolution of earth observation satellite images has been developed to the present highest_____resolution()
A.km level
B.100-meter
C.submeter
D.millimeter
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In the west of China, people plant rows of trees to prevent the wind _______ the earth away.
A.blowing
B. blows
C. to blow
D. blew