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_____earth scientists understand how and why earthquakes happen, forecasts are usually inaccurate.

A.As B.While C.BecauseD.If

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There are over 58, 000 rocky objects in _______ space, about 900 of  which could fall down onto _______ earth.

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____ is known to everybody, the moon travels round the earth.

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Stephen Hawking believes that the earth is unlikely to be the only planet _______ life has developed gradually.

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完形填空(共20小题;每小题1.5分,共30分)
阅读下面短文,掌握其大意,从每题所给的A、B、C、D四个选项中,选出最佳选项,并在答题卡上将该项涂黑。
Once upon a time the colors of the world started to quarrel. Green said, "Clearly I am the most important. I am the sign of life and hope. I was chosen for grass, trees and leaves. Without me, all animals would ___36__."
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Yellow chuckled , "You are all so serious. I bring laughter, fun, and __40__ into the world."
Orange started next to blow her trumpet, "I am the color of health and strength. I may be __41__, but I am precious for I serve the needs of human life. When I fill the sky __42__, my beauty is so striking that no one gives another __43__ to any of you."
Red could stand it __44__ and he shouted out, "I am the ruler of all of you. I am the color of danger and of bravery. I am willing to __45__ truth. I am also the color of passion and of love."
Then came Purple and Indigo (深蓝). …
The colors went on boasting, each convinced of his or her own __46__. Their quarreling became louder and louder. Suddenly there was a startling flash of bright lightening thunder. Rain started to pour down __47__. The colors crouched down __48__, drawing close to one another for comfort.
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Doing as they were told, the colors __53__ and joined hands. They formed a colorful rainbow. From then on, whenever a good rain ___54__ the world, a rainbow appears in the sky. They remember to __55__ one another.

【小题1】
A.stay B.leave C.go out D.die
【小题2】
A.earth B.moon C.star D.sun
【小题3】
A.That is B.I am C.It is D.This is
【小题4】
A.anything B.nothing C.something D.everything
【小题5】
A.warmth B.sadness C.depressionD.anxiety
【小题6】
A.usual B.normal C.commonD.scarce
【小题7】
A.at midnightB.at noon or at nightC.at sunrise or sunsetD.during the day
【小题8】
A.gift B.honor C.thought D.respect
【小题9】
A.for more B.any more C.very much D.no longer
【小题10】
A.turn to B.fight for C.struggle withD.bend over
【小题11】
A.superiority B.disadvantages C.inferiorityD.weakness
【小题12】
A.gently B.quietly C.violently D.peacefully
【小题13】
A.with care B.in fear C.by chanceD.on purpose
【小题14】
A.among B.by C.for D.against
【小题15】
A.others B.themselves C.the other D.the rest
【小题16】
A.equal and simpleB.ordinary and similarC.more or lessD.unique and different
【小题17】
A.each other B.me C.one another D.them
【小题18】
A.combined B.separated C.united D.divided
【小题19】
A.cleans B.washes C.brightens D.dampens
【小题20】
A.appreciate B.quarrel with C.ignore D.praise

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Five thousand years ago, people thought that illnesses were the result of evil living in human bodies. They also believed that gods and superior spirits were punishing people through diseases. The practice of magic and witchcraft (巫术) was popular among many tribes, and charms (符咒) and images of gods to drive away the evil spirits were often used.
People also started using herbal(草药的) medicine and by trial and error (反复试验,不断摸索) learned how to cure stomachaches and fevers. They had a witch doctor in the community. He would treat people with simple herbal medicine and magic. Early medicine was practiced the way north tribal Indians did hundreds of years ago and the way some tribes practice it today.
The ancient Chinese believed that the body was ruled by two forces, which they called “yin” and “yang”. The body would become ill if one force overcame the other and the balance between them was changed. Acupuncture (针刺疗法) was the way to bring back the balance between the two.
Also sand painting was an important part of Navaho medicine. The medicine man paints loosely upon the floor of an earth-covered house, where the ceremony takes place, or on a buckskin (鹿皮) or a piece of cloth, by letting the colored sands flow through his fingers with control and skill.
Ancient Mesopotamians believed that diseases come either from an evil spirit or a physical problem, such as worms. The doctor would decide from which source the illness has come from and send the patient either to a herbalist or to a witch doctor.
Egyptians had a very advanced medicine. They would sometimes rely on the god’s power to receive healing, but they also treated illnesses and operated on minor health problems like snake bites. They sucked the blood from the wound and bound the affected limb to stop the poison from spreading.
66. The practice of magic and witchcraft was popular in ancient times because ________ .
A. people could avoid being punished by gods and superior spirits by doing this.
B. people thought they could avoid getting diseases in this way.
C. people believed the evil spirits could be driven away in this way.
D. people often got diseases and this way was very effective.
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A. Three.     B. Four.      C. Five.      D. Six.
68. From Paragraph 2 we can learn that ________.
A. people can cure lots of diseases by combining herbal medicine and magic.
B. herbal medicine is so effective that it can cure all kinds of diseases.
C. witch doctors treated people only with herbal medicine.
D. people tried lots of times to cure illnesses with herbal medicine.
69. Ancient Chinese people believed that ________.
A. diseases were the result of evil living in human bodies.
B. people would fall ill if the balance in human bodies was disturbed.
C. a medicine man could cure people’s diseases by sand painting.
D. diseases not only came from evil spirits but also were physical problems
70. The passage mainly tells us ________.
A. why ancient people became ill.
B. about the most advanced medicine in ancient times.
C. about the development of herbal medicine.
D. how ancient people cured their diseases.

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