雅思simon范文思路：保护房屋

　　在雅思写作备考中，考生如何答题，具体的答题思路如何梳理。下面小编为大家带来了雅思simon范文思路：保护房屋相关内容，大家可以参考一下。考生还需要结合大量练习来掌握写作答题方法，提升自己的写作水平。

　　'flood diagram' answer

　　'洪水图'答案

　　The diagrams below show how houses can be protected in areas which are prone to flooding.

　　下图显示了如何在容易发生洪水的地区保护房屋。

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　　The diagrams compare two different methods of defence for homes which are at risk of being flooded.

　　The key difference between the diagrams is that they show flood protection with and without a stopbank. In either case, the at-risk home is raised on stilts above ground level.

　　The first diagram shows how a stopbank acts as a flood barrier to stop river water from flooding homes. The stopbank is a small mound of land next to the river that is higher than the 100-year flood level, and prevents the river from bursting its banks. Nearby houses can be built on stilts to prevent flooding from rainwater, and a floodgate beneath the stopbank can be opened to allow this ‘ponding’ to drain off into the river.

　　When there is no stopbank, as shown in the second diagram, there will be nothing to stop the river from flooding. In this case, the solution is to put buildings on stilts. The height of the stilts is measured so that the floor of the house is 300mm above the 100-year flood level. This measurement is called the ‘freeboard’.

　　这些图表比较了两种不同的防御方法，这些方法有可能被洪水淹没。

　　图表之间的关键区别在于它们显示有和没有止损的防洪保护。在任何一种情况下，高风险的住宅都是高于地面的高跷。

　　第一张图显示了止境如何作为防止河水泛滥房屋的防洪屏障。停车场是河边的一小块土地，高于100年的洪水位，可防止河水淹没河岸。附近的房屋可以建在高跷上以防止雨水泛滥，并且可以打开闸门下方的闸门，让这种“积水”流入河中。

　　如果没有止损，如第二张图所示，将无法阻止河水泛滥。在这种情况下，解决方案是将建筑物放在高跷上。测量高跷的高度，使房屋的地板高于100年的洪水位300毫米。这种测量称为“干舷”。