The three diagrams show how flooding affects a town in the UK and two solutions to the problem that have been suggested. Summ

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问题     The three diagrams show how flooding affects a town in the UK and two solutions to the problem that have been suggested.
   Summarise the information by selecting and reporting the main features and by making comparisons where relevant.
Write at least 150 words.

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答案 The town is at the confluence of two rivers—A and B. Commercial buildings lie to the south of river B. An industrial park lies to the north of river B and to the west of river A, whilst a residential area is located to the north of river B and to the east of river A. The flood plain potentially covers each of these three areas. The first proposed solution is to move the buildings in the three areas to the north and to the south so that they are beyond the flood plain. The main advantage of this solution is that the environment remains unaffected. The main disadvantage is the high cost involved. The second solution that has been proposed is to construct two dams—one each on river A and on river B—just outside the town. The main advantage of this solution is the low cost, whilst the main disadvantage is that the natural environment will be affected.

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