The Antarctic Icecap is the largest supply of fresh water,representing nearly 2%of the
world’s total of fresh and salt water. As can be seen from the table below, the amount of water in our atmosphere is over 10 times as much as the water in all the rivers taken together. The fresh water actually available for human use in lakes and rivers and the accessible ground water amount to only about one-third of 1%of the world’s total water supply.
Surface area(sq mi) | Volume(cu mi) | Percentage of total | |
Salt water | |||
The oceans | 139,500,000 | 317,000,000 | 97.2% |
Inland seas and saline lakes | 270,000 | 25,000 | 0.008 |
Fresh water | |||
Freshwater lakes | 330,000 | 30,000 | 0.009 |
All rivers(average level) | - | 300 | 0.0001 |
Antarctic Icecap | 6,000,000 | 6,300,000 | 1.9 |
Arctic Icecap and glaciers | 900,000 | 680,000 | 0. 21 |
Water in the atmosphere | 197,000,000 | 3,100 | 0. 001 |
Ground water within half a mile from surface a mile from surface | - | 1,000,000 | 0. 31 |
Deep-lying ground water | - | 1,000,000 | 0. 31 |
Total (rounded) | - | 326,000,000 | 100.00 |
56. What’s the best title of this passage?
A. Fresh Water in the World B. Protection of the Water in the World
C. Salt Water of the Earth D. Water Supply of the World
57. It can be seen from the table______.
A. humans will have to use sea water in the future
B. there is enough fresh water for man to use
C. Water in the atmosphere is the least
D. the sea water takes up 98%of the water on earth
58. The fresh water that humans can use is _________.
A. about 1,086,700 cu mi B. about 6,300,000 cu mi
C. about 680,000 cu mi D. about 2,000,000 cu mi
59. Where does the majority of fresh water exists?
A. In Arctic Icecap and glaciers. B. In the Antarctic Icecap.
C. In Deep ground. D. In the atmosphere.
60. What are the two places where equal amount of fresh water is stored?
A. Freshwater lakes and all rivers(average level)
B. Antarctic Icecap and water in the atmosphere
C. Ground water within half a mile from surface and Deep-lying ground water.
D. Deep-lying ground water and Arctic Icecap and glaciers
科目:高中英语 来源:英语教研室 题型:050
One reason why the Santa Fe Opera is so good is that it attracts many excellent young singers. They all hope to sing in famous opera houses like Metropolitan in New York someday, and they work hard to become well-known during the summer.The musicians and directors are experts who come from the best orchestras (管弦乐队) and operas in the country during their vacations.They enjoy working there because they like to live in Santa Fe,which is near both the mountains and the desert.It is very beautiful there in the summer.
The state government of New Mexico advertises the Santa Fe Opera in newspapers all over the country, and a great many tourists come to New Mexico because of the opera. Still,most of the audience does come from Santa Fe and other nearby cities, and all the seats in the theater are sold for every show.
There’s only one thing that some people do not like about the anta Fe Opera, and that is the cold weather. Because the theater is open,performances cannot start before it gets dark at nine o’clock in the evening,and then the mountain air becomes very cool. Sometimes people complain about the cold air,but because the operas are good, these people come back again-wearing warm coats.
1.This passage mainly introduces_________.
A. a mountain city B.young musicians
C.an opera house D.the tourism in Santa Fe
2.Young singers come to perform in Santa Fe 0pera because_________.
A.the music quality is high B.they enjoy the climate there
C.they want to be famous D.they like the scenery there
3.It seems surprising that Santa Fe becomes famous because_________.
A.it is only a very small place
B.it is between the mountain and desert
C.all the seats are old for every show
D.musicians there are from the best orchestras
4.From the passage,we can learn that_________.
A.the opera house is open without any roofs
B.musicians always spend vacations in Santa Fe
C.the government advertises to attract more musicians
D.performances are held in Santa Fe only after sunset
5.The underlined word “advertise” in Paragraph 3 means_________.
A.forces others to read B.makes others know
C.supports D.praises
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科目:高中英语 来源: 题型:051
The opera house in Santa Fe,New Mexico is one of the most beautiful ones in the United States. It is small and open,with one roof over the stage where singers perform and another roof over part of the audience.This opera house in the mountain is one of the best in the country, which may seem surprising because performances are only given during seven weeks in the summer,and because Santa Fe is a very small city.
One reason why the Santa Fe Opera is so good is that it attracts many excellent young singers. They all hope to sing in famous opera houses like Metropolitan in New York someday, and they work hard to become well-known during the summer.The musicians and directors are experts who come from the best orchestras (管弦乐队) and operas in the country during their vacations.They enjoy working there because they like to live in Santa Fe,which is near both the mountains and the desert.It is very beautiful there in the summer.
The state government of New Mexico advertises the Santa Fe Opera in newspapers all over the country, and a great many tourists come to New Mexico because of the opera. Still,most of the audience does come from Santa Fe and other nearby cities, and all the seats in the theater are sold for every show.
There’s only one thing that some people do not like about the anta Fe Opera, and that is the cold weather. Because the theater is open,performances cannot start before it gets dark at nine o’clock in the evening,and then the mountain air becomes very cool. Sometimes people complain about the cold air,but because the operas are good, these people come back again-wearing warm coats.
1.This passage mainly introduces_________.
A. a mountain city B.young musicians
C.an opera house D.the tourism in Santa Fe
2.Young singers come to perform in Santa Fe 0pera because_________.
A.the music quality is high B.they enjoy the climate there
C.they want to be famous D.they like the scenery there
3.It seems surprising that Santa Fe becomes famous because_________.
A.it is only a very small place
B.it is between the mountain and desert
C.all the seats are old for every show
D.musicians there are from the best orchestras
4.From the passage,we can learn that_________.
A.the opera house is open without any roofs
B.musicians always spend vacations in Santa Fe
C.the government advertises to attract more musicians
D.performances are held in Santa Fe only after sunset
5.The underlined word “advertise” in Paragraph 3 means_________.
A.forces others to read B.makes others know
C.supports D.praises
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