282. Our earth, one planet of the solar syste...

282. Our earth, one planet of the solar system, is only a very small part of the__________.

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In July 1994 Jupiter, the largest planet in our solar system, was struck by 21 pieces of a comet (彗星). When the fragments (碎片) landed in the southern part of the giant planet, the explosions(爆炸) were watched by scientists here on the earth. But what if our own planet was hit by a comet?

The year is 2094. It has been announced that a comet is heading towards the Earth. Most of it will miss our planet, but two fragments will probably hit the southern part of the Earth. The news has caused panic.

On 17 July, a fragment, four kilometers wide, enters the Earth's atmosphere with a huge explosion. About half of the fragment is destroyed. But the major part survives and hits the South Atlantic at 200 times the speed of sound. The sea boils and an enormous(巨大的) wave is created and spreads. The wall of water rushes towards southern Africa at 800 kilometres an hour. Cities on the African coast are totally destroyed and millions of people are drowned. The wave moves into the Indian Ocean and heads towards Asia.

Millions of people are already dead in the southern part of the Earth, but the north won't escape for long. Tons of broken pieces are thrown into the atmosphere by the explosions. As the sun is hidden by clouds of dust, temperatures around the world fall to almost zero. Crops are ruined. Wars break out as countries fight for food. A year later civilization has collapsed(崩溃). No more than 10 million people have survived.

Could it really happen? In fact, it has already happened more than once in the history of the Earth. The dinosaurs were on the Earth for over 160 million years. Then 65 million years ago they suddenly disappeared. Many scientists believe that the Earth was hit by a space fragment. The dinosaurs couldn't survive in the cold climate that followed and they became extinct. Will we meet the same end?

1.Which of the following is NOT TRUE according to the author's description of the disaster in 2094?

A. The whole world becomes extremely cold

B. All the coastal cities in Africa are destroyed

C. The visit of the comet results in wars

D. The whole mankind becomes extinct

2.Why does the author mention dinosaurs at the end of the passage?

A. Because they could only live in the warm climate

B. Because their extinction indicates future disasters

C. Because they once dominated(控制) the earth

D. Because dinosaurs and humans never live in the same age

3. In writing the passage, the author intends to ______.

A. give an accurate description of the possible disaster in the future

B. prove that humans will sooner or later be destroyed

C. warn of a possible disaster in the future

D. tell the historical development of the Earth

4.It can be concluded that the passage is most probably part of a(n) ______.

A. article of popular science      B. news report

C. research paper                      D. horror story

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In July 1994 Jupiter, the largest planet in our solar system, was struck by 21 pieces of a comet (彗星). When the fragments (碎片) landed in the southern part of the giant planet, the explosions were watched by scientists here on earth. But what if our own planet was hit by a comet?

The year is 2094. It has been announced that a comet is heading towards the Earth. Most of it will miss our planet, but two fragments will probably hit the southern part of the Earth. The news has caused panic.

On 17 July, a fragment four kilometers wide enters the Earth's atmosphere with a huge explosion. About half of the fragment is destroyed. But the major part survives and hits the South Atlantic at 200 times the speed of sound. The sea boils and an enormous wave is created and spreads. The wall of water rushes towards southern Africa at 800 kilometres an hour. Cities on the African coast are totally destroyed and millions of people are drowned. The wave moves into the Indian Ocean and heads towards Asia.

Millions of people are already dead in the southern part of the Earth, but the north won't escape for long. Tons of broken pieces are thrown into the atmosphere by the explosions. As the sun is hidden by clouds of dust, temperatures around the world fall to almost zero. Crops are ruined. Wars break out as countries fight for food. A year later civilization has collapsed. No more than 10 million people have survived.

Could it really happen? In fact, it has already happened more than once in the history of the Earth. The dinosaurs were on the Earth for over 160 million years. Then 65 million years ago they suddenly disappeared. Many scientists believe that the Earth was hit by a space fragment. The dinosaurs couldn't survive in the cold climate that followed and they became extinct. Will we meet the same end?

【小题１】55.Which of the following is NOT TRUE according to the author's description of the disaster in 2094?

A. The whole world becomes extremely cold

B. All the coastal cities in Africa are destroyed

C. The visit of the comet results in wars

D. The whole mankind becomes extinct

【小题２】56.Why does the author mention dinosaurs at the end of the passage?

A. Because they could only live in the warm climate

B. Because their extinction indicates future disasters

C. Because they once dominated the earth

D. Because dinosaurs and humans never live in the same age

【小题３】57.In writing the passage, the author intends to ______.

A. give an accurate description of the possible disaster in the future

B. prove that humans will sooner or later be destroyed

C. warn of a possible disaster in the future

D. tell the historical development of the Earth

58.It can be concluded that the passage is most probably part of a(n) ______.

A. article of popular science      B. news report

C. research paper       D. horror story

高三英语阅读理解中等难度题查看答案及解析

Scientists said they have found evidence of a giant planet far out in our solar system. In a statement, the California Institute of Technology(Caltech) said this planet travels a strange “highly elongated orbit in the distant solar system”.

The discovery was made by two researchers at Caltech; Konstantin Batygin and Mike Brown. They used mathematical modeling and computer simulations (模拟)to find the planet. So far, there have not been any direct observations of the planet. “My jaw hit the floor,” said astronomer Mike Brown, the moment he realized there might be a ninth planet.

The scientists said it would take this planet 10,000to 20,000 years just to make one full orbit around the sun. The new planet, called “Planet Nine” has a mass about 10 times the size of Earth.

It is believed that the planet orbits, or travels, around the sun from a great distance. The planet Neptune’s average distance to the sun is about 4.5 billion kilometers. But “Planet Nine” could be 20 times farther away from the sun than that. While they did not get a picture of “Planet Nine” yet, the scientists say they are using the biggest and best telescopes on Earth to try to find it.

Brown and Batygin reported their finding in The Astronomical Journal. They say that this new planet is so large that there should be no doubt that it is a true planet, once they confirm it.

Robert Massey is with the Royal Astronomical Society in London. He told AFP that planets have been predicted before, and then were not found. But, he said the work of the these researchers is definitely worth following up. “It would be a really exciting thing to find. At the moment it’s simply a prediction.”

1.How was the evidence of the ninth planet found?

A. Through a special telescope

B. Through researchers’ direct observation

C. Through studying its special orbit in the solar system

D. Through mathematical modeling and computer simulations

2.What can we know about “Planet Nine” from the text?

A. It is much smaller than the earth

B. It travels a normal orbit like other planets

C. Its distance to the sun is about 90 billion kilometers

D. Its picture has been caught by the biggest and best telescope

3.What’s Robert’s attitude towards the discovery of “Planet Nine”?

A. Worried　　 B. Supportive

C. Indifferent　　 D. Opposed

4.What’s the best title for the text?

A. The discovery of the largest planet

B. A big prediction of the solar system

C. A ninth planet may be in the solar system

D. The ninth planet has been found in the solar system

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One of the consequences of our planet’s being warming up is a(n) ______ in the number of natural disasters.

A. account         B. reason        C. increase             D. occurrence

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The weight of the moon is only about _____ of that of the earth.

A. one eighty        B. one of eighty                  C. one the eightieth       D. one eightieth

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

A. that                 B. where                C. which                D. whose

高三英语单项填空中等难度题查看答案及解析

Hawking believes the earth is unlikely to be the only planet _____ life has developed gradually.

A. that　　 B. why

C. where　　 D. whose

高三英语单项填空中等难度题查看答案及解析

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

A．that              B．where            C．which            D．whose

高三英语单项填空简单题查看答案及解析

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

A. that                  B. where           C. which           D. whose

高三英语单项填空中等难度题查看答案及解析