Look at the questions for this part. You will hear a story entitled "Trees Are a Threat". For questions 24-30. indicate

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问题     Look at the questions for this part.
    You will hear a story entitled "Trees Are a Threat".
    For questions 24-30. indicate which of the alternatives A, B, or C is the most appropriate response.
    Mark one letter A, B or C on your Answer Sheet.
The work of removing the plants will last______.
Look at the questions for this part.
    You will hear a story entitled "Trees are a Threat".
    For questions 24-30, indicate which of the alternatives A, B or C is the most appropriate response.
    Mark one letter A, B or C, on your Answer Sheet.
                          Trees Are a Threat
    The mountain town of Canton is at an elevation of 6,000 feet It is surrounded by thick underbrush and pine trees. Because of six years of drought, these plants are a major fire hazard. Thousands of trees and tons of underbrush are going to be removed over the next five years at a minimum cost of three million dollars.
    The brush will be removed first then the trees will be toppled and removed. A cleared, non-flammable area will then safely surround the town of 4,000.
    Residents look forward to the work because it will help their town survive a future inferno. But there are two problems, said one resident.
    "All the extra trucks are going to make traffic pretty bad. Once the area is cleared we have to make sure dirt bikers don’t try to make the cleared area their personal playground."
    A recent fire burned 5,000 acres and destroyed eleven homes in nearby Hamilton. The fire was raging towards Canton, but a sudden rainstorm put it out Residents know that they won’t get lucky twice, so they are looking forward to this massive clearing operation.
    Ninety percent of the cutting and clearing will be paid with federal funds. Unfortunately, if the trees are on private property, they must be paid for by the residents themselves. Prices can range as high as one thousand dollars to cut and remove one tree. Officials say that residents can apply for state and federal loans if necessary.
    "Well, what good does that do me?" asks Thema, a 65-year-old widow. "I’m living on social security. I’ve got four trees on my property. The government’s not going to loan me money when they know there’s no way 1 can pay it back. So what am I supposed to do? These planners with all their big ideas ought to think of the little people."
That is the end of Part 4. You now have two minutes to copy your answers onto your Answer Sheet.

选项 A、3 years
B、5 years
C、6 years

答案B

解析
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