[originaltext] In England bicycles are often called "boneshakers" because the

游客2024-08-03  9

问题  
In England bicycles are often called "boneshakers" because they shake your bones! But now there’s a new smooth bicycle on the market: it’s made of plastic and it comes from Sweden.
   A lot of different people worked on the development of this new bicycle; the original idea came from an engineer in Sweden, and he asked for help from America as well as from a British firm.
   Together they solved all the problems. First, they had to invent a new kind of plastic; then they had to design a new shape; and finally they had to produce metal parts which fit properly into the plastic frame. The result is a complete success.
   Because it has a plastic frame, it is more flexible than the ordinary metal bike. This means that it’s more comfortable to ride, and quieter as well. You feel more comfortable as you ride on the road. And of course it won’t rust.
   It never needs oil at the center of the wheels; and it’s quite strong, so it won’t break if you crash it! The plastic is very hard so it won’t be damaged by sunshine or cigarette burns.

选项 A、It is more comfortable to ride than a metal bike.
B、It is lighter than the ordinary metal bike.
C、It never needs oil at the center of the wheel.
D、It will be burned by the cigarette burns.

答案 D

解析 短文中说这种自行车由于柔韧性好,因此骑着更舒服;同时,由于车身用的材料是塑料,因此比金属做的更轻便;而且轮子中间永远不需要用油。短文最后则明确说明:用于制造这种车的塑料很硬,因而不会被日晒或香烟的烧痕所损毁。
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