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  3. The cost of heating your home, particularly during the colder winter months, makes up about 60% of energy bills. If you need a n

The cost of heating your home, particularly during the colder winter months, makes up about 60% of energy bills. If you need a n

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问题     The cost of heating your home, particularly during the colder winter months, makes up about 60% of energy bills. If you need a new boiler (锅炉), make sure you buy one of the best boiler brands.
    The first question you should ask yourself if you want the most energy efficient boiler is what type of boiler you should buy. All modern boilers that you can buy are condensing (冷凝式) boilers, which are much more efficient than traditional non-condensing boilers. According to a study, you could save as much as £ 340 a year on your gas bill if you’re trading in an old-style non-condensing boiler for a new condensing one.
    Getting the wrong type of boiler for your home results in unnecessarily high bills. Learn more about the different types of boiler and which would suit you best in our full guide to the different types of boiler.
    Once you’ve decided on the type of boiler you need, the next key question is the size. The size of the boiler in the context of efficiency is its heat output. The higher the heat output of the boiler, the more energy it will be using when it’s switched on. In most cases, larger homes with more radiators (散热器) and more bathrooms will need a larger heat output than smaller ones. Learn everything you need to know about picking the right size boiler for your home in our free guide on how to buy the best boiler.
According to Paragraph 3, you can reduce your energy bills by________.
选项 A、buying a well-known brand of boiler                  
B、choosing a right type of the boiler
C、getting the smallest kind of boiler
D、installing the boiler properly
答案B
解析 细节推断题。由题干中的Paragraph 3和 bills定位到第三段第一句。定位句指出，在家安装错误类型的锅炉会导致不必要的高额费用。由此反向推断，通过选择合适类型的锅炉可以降低能源费用，可确定B)“选择合适锅炉类型”为本题的答案。A)“购买知名品牌的锅炉”和D)“正确安装锅炉”在文中未提及；C)“购买最小的锅炉”并非出自第三段，与题干不符，因此均可以排除。
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