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TUVALU, a tiny country in the Pacific Ocean, has asked for help as it will be swallowed up by the sea.
Storms and huge waves are a constant threat and none of Tuvalu's nine little islands is more than five
meters above the sea level. Salt water is already entering the country's drinking water supply, as well as
damaging plants that produce fruit and vegetables. Without urgent help, the country's days are numbered.
But Tuvalu is not the first place to face sinking into the sea. Venice, a historic city in Italy best known
for its canals, has sunk about 24 cm over the past 100 years. Experts say that it will have sunk another 20-
50cm by 2050. A century ago, St. Mark's Square, the lowest point city, flooded about nine times a year.
Nowadays, it happens more than 100 times. While Venice is slowly sinking into the mud on which it stands,
global warming causes Tuvalu's rising sea level.
The average global temperature has increased by almost 0.5 centigrade degrees over the past century;
scientists expect it rise by extra l-3 degrees over the next 100 years.
Warmer weather makes glaciers (冰川) melt, adding more water to the ocean. The warmer temperatures
also make water expand, so it takes up more space, causing the sea level to rise. The sea level has risen about
10-25 cm in the last 100 years.
The main cause of global warming is human pollution. Through burning coal, oil and gas, people have
been increasing the green-house gases in the atmosphere, such as CO2. This adds to the power of the
greenhouse effect, making the planet even warmer.
Many scientists believe that, if the warming is not stopped, there will be huge climate changes. The sea
level could rise by one meter this century.
Should this come true-the sea will swallow up millions of homes and the world will be flooded with
"climate refugees" looking for somewhere to live?
B. all Tuvalu's islands are about five meters above the sea level
C. drinking water in Tuvalu has been destroyed
D. Tuvalu is often flooded by storms and waves
B. they are both sinking into the mud where they stand
C. they will disappear in the future
D. their trouble is caused by global warming
a. Glaciers began to melt.
b. People bum coal, oil and gas.
c. The greenhouse effect is growing.
d. The earth is getting warmer and warmer.
e. The sea level is rising.
f. More CO2 is produced.
g. Many places are sinking into the sea.
B. b,f,c,d,e,a,g
C. f,c,b,d,a,e,g
D. b,f,c,d,a,e,g
B. Climate changes.
C. Rare animals.
D. Climate effect.
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阅读理解
In 1901, H. G. Wells, an English writer, wrote a book describing a trip to the moon. When the explorers(探险者)landed on the moon, they discovered that the moon was full of underground cities. They expressed their surprise to the “moon people” they met. In turn, the “moon people” expressed their surprise. “Why, ” they asked, “are you traveling to outer space when you don't even use your inner space?”
H. G. Wells could only imagine travel to the moon. In 1969, human being really did land on the moon. People today know that there are no underground. cities on the moon. However, the question that the “moon people” asked is still an interesting one. A growing number of scientists are seriously thinking about it.
Underground systems are already in place. Many cities have underground car parks. In some cities, such as Tokyo, Seoul and Montreal, there are large underground shopping areas. The “Channel”, a tunnel (隧道)connecting England and Frarice, is now complete.
But what about underground cities? Japan's Taisei Corporation is designing a network of underground systems, called “Alice Cities”. The designers imaging using surface space for public parks and using underground space for flats, offices, shopping, and so on. A solar dome(太阳能穹顶)would cover the whole city.
Supporters of underground development say that building down rather than building up is a good way to use the earth's space. The surface, they say, can be used for farms, parks, gardens, and wilderness. H. G. Wells “moon people” would agree. Would you?
1．The explorers in H. G. Wells' story were surprised to find that the “moon people” ________.
[ ]
A．knew so much about the earth
B．understood their language
C．lived in so many underground cities
D．were ahead of them in space technology
2．What does the underlined word “it” (paragraph 2)refer to?
[ ]
A．Discovering the moon's inner space.
B．Using the earth's inner space.
C．Meeting the “moon people.”
D．Traveling to outer space.
3．What sort of underground systems are already here with us?
[ ]
A．Offices, shopping areas, power stations.
B．Tunnels, car parks, shopping areas.
C．Gardeners, car parks, power stations.
D．Tunnels, gardens, offices.
4．What would be the best title for the text?
[ ]
A．Alice Cities－Cities of the future.
B．Space travel with H. G. Wells.
C．Enjoy living underground.
D．Building down, not up.
查看习题详情和答案>>阅读理解
In 1901, H. G. Wells, an English writer, wrote a book describing a trip to the moon. When the explorers(探险者) landed on the moon, they discovered that the moon was full of underground cities. They expressed their surprise to the“moon people”they met. In turn, the“moon people”expressed their surprise.“Why,”they asked,“are you traveling to outer space when you don't even use your inner space?”
H.G. Wells could only imagine travel to the moon. In 1969, human beings really did land on the moon. People today know that there are no underground cities on the moon. However, the question that the“moon people”asked is still an interesting one. A growing number of scientists are seriously thinking about it.
Underground systems are already in place. Many cities have underground car parks. In some cities, such as Tokyo, Seoul and Montreal, there are large underground shopping areas. The“Chunnel”, a tunnel(隧道) connecting England and France, is now complete.
But what about underground cities? Japan's Taisei Corporation is designing a network of underground systems, called“Alice Cities.”The designers imagine using surface space for public parks and using underground space for flats, offices, shopping, and so on. A solar dome(太阳能圆屋顶)would cover the whole city.
Supporters of underground development say that building down rather than building up is a good way to use the earth's space. The surface, they say, can be used for farms, parks, gardens, and wilderness. H.G. Wells'“moon people”would agree. Would you?
1．The explorers in H.G. Well's story were surprised to find that the“moon people”_____.
[ ]
A．knew so much about the earth
B．understood their language
C．lived in so many underground cities
D．were ahead of them in space technology
2．What does the underlined word“it”(Paragraph 2) refer to?
[ ]
A．Discovering the moon's inner space.
B．Using the earth's inner space.
C．Meeting the“moon people”again.
D．Traveling to outer space.
3．What sort of underground systems are already here with us?
[ ]
A．Offices, shopping areas, power stations.
B．Tunnels, car parks, shopping areas.
C．Gardens, car parks, power stations.
D．Tunnels, gardens, offices.
4．What would be the best title for the text?
[ ]
A．Alice Cities--cities of the future
B．Space travel with H.G. Wells
C．Enjoy living underground
D．Building down, not up
查看习题详情和答案>>阅读理解
阅读下面短文，从每题所给四个选项中选出最佳答案。
In 1901, H. G. Wells, an English writer, wrote a book describing a trip to the moon. When the explorers(探险者) landed on the moon, they discovered that the moon was full of underground cities. They expressed their surprise to the “moon people” they met. In turn, the “moon people” expressed their surprise. “Why, ” they asked, “are you traveling to outer space when you don't even use your inner space?”
H. G. Wells could only imagine travel to the moon. In 1969, human beings really did land on the moon. People today know that there are no underground cities on the moon. However, the question that the “moon people” asked is still an interesting one. A growing number of scientists are seriously thinking about it.
Underground systems are already in place. Many cities have underground car parks. In some cities, such as Tokyo, Seoul and Montreal, there are large underground shopping areas. The “Chunnel”, a tunnel(隧道) connecting England and France, is now complete.
But what about underground cities? Japan's Taisei Corporation is designing a network of underground systems, called “Alice Cities”. The designers imagine using surface space for public parks and using underground space for flats, offices, shopping, and so on. A solar dome(太阳能穹顶) would cover the whole city.
Supporters of underground development say that building down rather than building up is a good way to use the earth's space. The surface, they say, can be used for farms, parks, gardens, and wilderness. H. G. Wells' “moon people” would agree. Would you?
1．The explorers in H. G. Wells' story were surprised to find that the “moon people” ________.
[ ]
A．knew so much about the earth
B．understood their language
C．lived in so many underground cities
D．were ahead of them in space technology
2．What does the underlined word “it” (paragraph 2) refer to?
[ ]
A．Discovering the moon' s inner space.
B．Using the earth's inner space.
C．Meeting the “moon people” again.
D．Traveling to outer space.
3．What sort of underground systems are already here with us?
[ ]
A．Offices, shopping areas, power stations.
B．Tunnels, car parks, shopping areas.
C．Gardens, car parks, power stations.
D．Tunnels, gardens, offices.
4．What would be the best title for the text?
[ ]
A．Alice Cities－cities of the future
B．Space travel with H. G. Wells
C．Enjoy living underground
D．Building down, not up
查看习题详情和答案>>