The 2012 London Olympics had enough problems to worry about. But one more has just been added -- a communications blackout caused by solar storms.

　　After a period of calm within the Sun, scientists have detected the signs of a flesh cycle of sunspots that could peak in 2012, just in time for the arrival of the Olympic torch in London.

　　Now scientists believe that this peak could result in vast solar explosions that could throw billions of tons of charged matter towards the Earth, causing strong solar storms that could jam the telecommunications satellites and interact links sending five Olympic broadcast from London.

　　"The Sun's activity has a strong influence on the Earth. The Olympics could be in the middle of the next solar maximum which could affect the functions of communications satellites," said Professor Richard Harrison, head of space physics at the Rutherford Appleton Laboratory in Oxfordshire.

　　At the peak of the cycle, violent outbursts called coronal mass ejections (日冕物質(zhì)拋射) occur in the Sun's atmosphere, throwing out great quantities of electrically-charged matter. "A coronal mass ejection can carry a billion tons of solar material into space at over a million kilometres per hour. Such events can expose astronauts to a deadly amount, can disable satellites, cause power failures on Earth and disturb communications," Professor Harrison added. The risk is the greatest during a solar maximum when there is the greatest number of sunspots.

　　Next week in America, NASA is scheduled to launch a satellite for monitoring solar activity called the Solar Dynamics Observatory (SDO), which will take images of the Sun that are 10 times clearer than the most advanced televisions available.

　　The Rutherford Appleton Laboratory helped to make the high-tech cameras that will capture images of the solar flares (太陽耀斑) and explosions as they occur.

　　Professor Richard Harrison, the lab's director, said that the SDO should be able to provide early warning of a solar flare or explosion big enough to affect satellite communications on Earth "If we have advanced warning, we'll be able to reduce the damage. What you don't want is things switching off for a week with no idea of what's caused the problem," he said.

1.The phrase "communications blackout" in paragraph 1 most probably refers to____________ during the 2012 Olympics.

A．the extinguishing of the Olympic torch

B．the collapse of broadcasting systems

C．the transportation breakdown in London

D．the destruction of weather satellites

2.According to the passage, scientists are convinced that __________.

A．the sun’s activities have little to do with the earth

B．the London Olympic broadcasting will be possibly influenced by the 2012 peak of sunspots

C．the 2012 Olympic Games are during the solar maximum of throwing out greatest number of sunspots

D．solar explosion will cause strong storms on the earth

3.What can be inferred about the solar activity described in the passage?

A．The most fatal matter from the corona falls onto Earth.

B．The solar storm peak occurs in the middle of each cycle.

C．It takes several seconds for the charged matter to reach Earth.

D．The number of sunspots declines after coronal mass ejections.

4.According to the passage, NASA will launch a satellite to _________.

A．take images of the solar system

B．provide early warning of thunderstorms

C．keep track of solar activities

D．improve the communications on Earth

5.Which of the following might be the best title of the passage?

A．Solar Storms: An Invisible Killer

B．Solar Storms: Earth Environment in Danger

C．Solar Storms: Threatening the Human Race

D．Solar Storms: Human Activities to Be Troubled

 

【答案】

1.B

2.B

3.D

4.C

5.D

【解析】文章談?wù)摰恼翘柫Ｗ拥淖兓赡軙绊憡W運(yùn)會。

1.推理題。根據(jù)文章內(nèi)容可知communications blackout就是指由于太陽粒子的變化會引起奧運(yùn)會廣播系統(tǒng)的崩潰。

2.根據(jù)文章第三段內(nèi)容可知倫敦奧運(yùn)會的廣播系統(tǒng)可能會受到太陽粒子變化的影響。

3.推理題。根據(jù)第五段　At the peak of the cycle, violent outbursts called coronal mass ejections (日冕物質(zhì)拋射) occur in the Sun's atmosphere,可知是在最高峰的時(shí)候出現(xiàn)coronal mass ejections，那么最高峰以后，太陽粒子的數(shù)量會有所減少。

4.根據(jù)文章倒數(shù)第三段內(nèi)容可知C正確。發(fā)射衛(wèi)星是為了記錄太陽系的行動，拍攝照片之類。

5.主旨大意題。文章談?wù)摰恼翘柫Ｗ拥淖兓赡軙绊憡W運(yùn)會。

 

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Please write to:
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E-mail: KC-Summer-School@ yahoo, com
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Time, a faithful company of our life, is a universal topic. People are always curious about what it is, how it travels and who it meets.

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Time travel TV series and movies connect both today and the past, thus offering room for imagination. Imagination creates a chance for the young to fulfill a dream that is hard to achieve in reality.

Chinese writer Xi Juan is a pioneer of time-travel stories in China. In 1993 she published a love story about a young woman time traveling to ancient times. The leading role’s modern personality and perception of love help her win the heart of a cool, handsome martial art master. Such a plot satisfies female fans’ love fantasy.

Starting from the late 1990s, novels about men traveling back to the past prevailed (盛行), with a Step into the Past as the most popular example. In these stories, the male leading roles accomplish great things with their modern skills and wisdom.

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l  Woody Allen was 3._______ in his time travel movie.

Reasons for its 4.___

Supporting details

Dream of

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l  achieve in reality.

l  Xi Juan’s 1993 love story6._______ a young woman traveling to

l  ancient times, which satisfies females fans.

l  From the late 1990s, novels about 7.________ traveling back to

l  the past became increasingly popular.

l  The male leading role in A Step Into the Past travels back to the past

l  to fulfill great things by using his 8._______ skills and wisdom.

Eye candy

Attractive actors and travel stories make viewers under pressure

9._________.

Cultural homesickness

Most respondents chose to live in a certain dynasty for:

l  Prosperous economy and10.________;

l  Steady society;

l  Fair and uncorrupted politics;

l  Opening up to the outside world.

 

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