短文改错

短文改错

Six Americans are working on a new highway. But this highway won't have any traffic.It's an "ice highway" to the South Pole.
The team has just finished a second year of work on the 1,020-mile highway. "The road is the greatest single footprint of activity we've seen in the Antarctic (南极洲)," said Alan Hemmings, an Australian environmentalist.
The highway will provide a new way for supplies to be trekked (拉, 搬) across the earth on tractor-pulled sleds (雪橇). This method will use a lot less fuel than an aircraft, the current (当前的) way that scientists and supplies reach the Amundsen-Scott Base, a U.S. research station in the South Pole. The highway will also allow for equipment that is too big for planes to carry to be brought to Antarctica.Even with these benefits, there is one disadvantage—a round trip on the road will be 30 days, compared to a few hours by plane.
Making this 20-foot-wide road isn't easy, and it takes a lot of time. The crew (工作队) has been working on the road for two summers, when it's warmer and easier to work with the ice. It probably won't be completed until 2006.
Crevasses (裂缝), or cracks, in the land often make the construction difficult. Crevasses are kind of like pot holes that form when surface ice is stretched.This can be very dangerous, especially when the crevasses are hidden under a layer (层) of snow and can't be seen.
"Last year it took us three months to go three miles across a crevasse field, full of dangerous, hidden crevasses," said the project's manager, John Wright. Each year, more crevasses appear and they have to be filled with snow and ice so the road is safe for travel. The road will also be lined with green flags so travelers know where the safe surface is.

1. 1.

   It will probably take ______ years to complete the ice highway.

   1. A.
      2
   2. B.
      4
   3. C.
      6
   4. D.
      8
2. 2.

   When it is finished, the highway will not be used for ______.

   1. A.
      giving supplies to the research station in the South Pole
   2. B.
      taking scientists to the South Pole
   3. C.
      taking travelers to a tour of Antarctic
   4. D.
      bringing huge equipment to Antarctic
3. 3.

   How many miles can be covered at most each day if you take the ice highway to the South Pole?

   1. A.
      30.
   2. B.
      34.
   3. C.
      68.
   4. D.
      88.
4. 4.

   Which of the following is true according to the passage?

   1. A.
      Other crevasses won’t appear if a crevasse has been filled.
   2. B.
      Many new crevasses will form after a crevasse has been filled.
   3. C.
      Travelers can drive their sleds on the ice highway freely.
   4. D.
      There will be less danger if the crevasses are covered by snow.

Six Americans are working on a new highway. But this highway won't have any traffic．It's an "ice highway" to the South Pole.

The team has just finished a second year of work on the 1,020-mile highway. "The road is the greatest single footprint of activity we've seen in the Antarctic (南极洲)," said Alan Hemmings, an Australian environmentalist.

The highway will provide a new way for supplies to be trekked (拉, 搬) across the earth on tractor-pulled sleds (雪橇). This method will use a lot less fuel than an aircraft, the current (当前的) way that scientists and supplies reach the Amundsen-Scott Base, a U.S. research station in the South Pole. The highway will also allow for equipment that is too big for planes to carry to be brought to Antarctica．Even with these benefits, there is one disadvantage—a round trip on the road will be 30 days, compared to a few hours by plane.

Making this 20-foot-wide road isn't easy, and it takes a lot of time. The crew (工作队) has been working on the road for two summers, when it's warmer and easier to work with the ice. It probably won't be completed until 2006.

Crevasses (裂缝), or cracks, in the land often make the construction difficult. Crevasses are kind of like pot holes that form when surface ice is stretched．This can be very dangerous, especially when the crevasses are hidden under a layer (层) of snow and can't be seen.

"Last year it took us three months to go three miles across a crevasse field, full of dangerous, hidden crevasses," said the project's manager, John Wright. Each year, more crevasses appear and they have to be filled with snow and ice so the road is safe for travel. The road will also be lined with green flags so travelers know where the safe surface is.

It will probably take ______ years to complete the ice highway.

       A．2     B．4      C．6      D．8

When it is finished, the highway will not be used for ______.

       A．giving supplies to the research station in the South Pole

       B．taking scientists to the South Pole

       C．taking travelers to a tour of Antarctic

       D．bringing huge equipment to Antarctic

How many miles can be covered at most each day if you take the ice highway to the South

Pole?

       A．30.    B．34.    C．68.    D．88.

Which of the following is true according to the passage?

       A．Other crevasses won’t appear if a crevasse has been filled.

       B．Many new crevasses will form after a crevasse has been filled.

       C．Travelers can drive their sleds on the ice highway freely.

       D．There will be less danger if the crevasses are covered by snow.

阅读理解

　　The Antarctic (南极) is a continent of great size —equal almost to Europe and Australia put together-yet it has no permanent inhabitants. (居民) Only those who manage weather stations and the bases from which parties of explorers set out, live there. Some go only for one year, many for two, hut never Longer, unless the ship which is to bring them out cannot reach their base. In that event they must make the best of it and settle down to another year’s work.

　　Of all this vast continent only about one per cent is exposed (暴露的) rock; all the rest is covered with a mantle of snow and ice, which varies from a few feet to as much as two miles in depth. In all there are over five million square miles covered with ice, and this huge area has a tremendous (极大的) cooling effect on the air which moves over it. It is true to say that the Antarctic controls the weather of the southern half of the world.

　　Around this dome-shaped (圆屋顶) continent lies the great Southern Ocean, formed from the southern parts of the Atlantic, Pacific and Indian Oceans. Together the Antarctic continent and the Southern Ocean form an area which almost covers a fifth of the world’s surface.

　　All round the Antarctic the sea freezes during the winter months of April to October, making it impossible for ships to reach the coast. But in summer most of this ice breaks up and begins to move with the winds and currents as great fields of ice

　　In winter the sun disappears daily for a longer and longer time as one gets nearer to the Pole. Just south of the Antarctic Circle there is one day in the winter when the sun never rises above the horizon, and at the same point in the summer there will be one day when it never sets. These periods increase as one travels south, until, at the Pole itself, the year is divided into a six-month night and a six-month day. Small wonder then that more and more scientists are visiting the region to acquire new knowledge which will help us to have a better understandling of the earth as a whole.

1．The Antarctic is ________.

[　　]

A．larger than Europe and Australia put together

B．equal to Europe and Australia put together

C．a little smaller than Europe and Australia put together

D．smaller than both Europe and Australia

2．According to the text,________.

[　　]

A．no one has ever lived in the Antarctic

B．no one has ever lived in the Antarctic for more than one year

C．no one has ever lived in the Antarctic for more than two years

D．no one has ever lived in the Antarctic for more than three years

3．The meaning of the word “permanent”(in Line 2, Para. 1)is ________.

[　　]

4．At the South Pole itself,________.

[　　]

A．the sun never sets

B．the sun never rises above the horizon

C．the sun appears daily

D．there are six months every year when the sun never sets

5．Which of the following statements is NOT true?

[　　]

A．It is very cold all the year round in the Antarctic Continent.

B．The sea around the Antarctic is frozen all the year round.

C．Besides snow and ice, there is some exposed rock in the Antarctic Continent.

D．The Antarctic has a great influence on the weather of the South Hemisphere.