C
If you’re a cycling lover,you will have to pay a lot of attention to your bicycle and maintain it well,for bicycle parts are exposed to wear and tear (磨损) over time and you have to examine the bicycle to see if there are any signs of wearing such as scratches,dents (凹陷),etc.Sometimes,a part may not work because it has exceeded its life expectancy.Sometimes,you will need to find replacement parts for it to keep up the performance of the bicycle.
Different parts of a bicycle will wear at different rates so it is very important that you have a basic understanding about the role played by each part.One of the most important parts of the bicycle is the frame.You will need to choose a frame that lasts for a very long time.Of course,you will see some paint scratches after some time.When you’re selecting a frame,you have to think about the material.Aluminium(铝) frames will not rust easily,but they have a higher chance to dent.Steel frames will be hard to dent,but you will need to make sure they get a good paint job so that they won’t rust.
Wheels also experience a lot of wear and tear and you should go for a professional seller when you want to buy wheels.There are different types of wheels that you can buy,like Zipp wheels that provide more aerodynamic efficiency (空气动力学效能).Investing in new tyres instead of going for used is a good idea because you will be able to get more use out of it.The same goes for chain as there’s a higher chance of a used chain breaking.You may also experience shifting problems.However,some parts of bicycles such as pedals can be used for a long time and you can find different styles.
Other parts that you can buy used are seats,handlebars and the stem.When you are buying handlebars,you have to see if there are any dents or if they have been bent out of shape.There shouldn’t be any cracks in the seat post or the handlebars.There are many shops where you can buy parts,so you will have to check the references to see how customers respond to them before you buy anything.
【语篇解读】这是一篇说明文。对于自行车爱好者而言,了解自行车的各个部分如何工作非常重要。文章针对自行车各个部分,如:车架该如何选择、对于车轮和链条的选择等提出了详细的建议作为参考。
28.According to the passage,cycling lovers should .
A.buy a new bicycle to keep up the performance
B.replace the bicycle parts with signs of wearing
C.choose aluminium frames rather than steel ones
D.learn how each part of the bicycle basically works
答案D
解析细节理解题。根据第二段第一句“Differentpartsofabicyclewillwearatdifferentratessoitisveryimportantthatyouhaveabasicunderstandingabouttheroleplayedbyeachpart.”可知,自行车的不同部件磨损速度不同,所以对每个部件的作用有一个基本的了解是非常重要的。即自行车爱好者应该了解自行车的各个部分是如何工作的,故选D项。
29.Which parts may be replaced by the used ones?
A.Wheels and chains.
B.Tyres and seats.
C.Handlebars and stems.
D.Frames and pedals.
答案C
解析细节理解题。根据第四段第一句“Otherpartsthatyoucanbuyusedareseats,handlebarsandthestem.”可知座椅、车把和把立可以用二手的替代,故选C项。
30.The underlined word “references” in the last paragraph probably means “ ”.
A.materials B.prices
C.introductions D.comments
答案D
解析词义猜测题。根据后文“toseehowcustomersrespondtothembeforeyoubuyanything”可知,你在买任何东西之前,看看顾客的反应如何,即对这些零件的“评价”,故可推测画线单词意思为“评价”,故选D项。
31.This passage is most likely to be found in .
A.a research report
B.a popular magazine
C.a tourist guide book
D.a product advertisement
答案B
解析推理判断题。文章内容主要是给自行车爱好者说明自行车各个部分的作用和注意事项,此类文章最有可能出自一份流行杂志。故选B项。
