The bicycle is really and important means of transportation in China.Bicyclese have become more and more popular in China.People ride bikes to their workplaces,to shopping centers,to schools,and so on.During the rush hour,you can often see a boiling sea of bicycles running in all directions.With the largest number of bike riders in the world,China is often referred to as the kingdom of bicycles.There are many advantages(优点) about the bicycle.For example,bicycles do not cause air or sound pollution(污染);compared with cars,bicycle cause no environmental(环境的) problems;bicycles save energy(能源) and parking place;riding bikes to travel can be a wonderful experience(经历);the bicycle allows us to go anywhere nearby easily;bikes are not very expensive,and almost every family can afford them;riding bikes regularly does good to people's health.

　　通读短文，然后根据短文内容回答问题。

1.Why is China called the kingdom of bicycles?

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2.Can we go anywhere easily by bicycles?

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3.Why can almost every family afford bicycles?

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4.What do you think the most popular means of transportation in China is?

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5.What are the advantages of the bicycles?You can give one or two examples.

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Electric bicycles which run on battery-operated (电瓶) motors are winning over riders of ordinary bikes   41 their speed, quality and environmental advantage.
They were first   42 on 1980s in China, but the selling was not very good. Today, thanks 43  improvements on battery quality, the electric bikes sell well. There are now more than 100 electric bicycle producers in China and 26 million such bicycles were produced in 2011. Japan is another large  44  of such bicycles in the world with a total production reaching 381,721in 2010.
  45 China is one of the largest producers of electric bicycles in the world, the   46  of its producers with mass production (大批量生产) is actually small.
Electric bicycles are still   47 in China. Time is needed for people to become familiar with them and accept them. Each bike’s price of between 2,000 yuan (US $318) and 3,000 yuan (US $477) is still  48  for ordinary citizens (民众). Although such bikes are quick, safe and 49 to operate, their batteries still have shortcomings (不足). They weigh more than 10 kilograms; their service life is   50  two years and they   51  400 yuan each.
There were more than 450 million bikes in China in 2006. If just one percent of all these bikes are replaced by electric  52  , the market will be very large. And   53  the battery is further improved and the price is    54   , many of us will not be able to keep back from    55  the latest electric bikes

读下面短文，根据短文内容判断句子正误。正确的涂A， 错误的涂B。(共5小题，每小题2分；计10分)
The bicycle is really an important means of transportation in China. Bicycles have become more and more popular in China. People ride bikes to their workplaces, to shopping centers, to schools, and so on. During the rush hour, you can often see a lot of bicycles running . With the largest number of bike riders in the world,China is often called the kingdom of bicycles. There are many advantages(优点) about the bicycle. For example bicycles do not cause(导致) air or sound pollution; compared with cars, bicycles cause no environmental（环境）problems; bicycles save energy() and parking places; riding bikes to travel can be a wonderful exerience; the bicycle make us go anywhere nearby easily; bikes are not very expensive, and almost every family can afford them; riding bikes regularly is also good for people's health.
【小题1】The bicycle is really an important means of transportation in China.
【小题2】China is called the kingdom of bicycles, because it has the largest number of bike riders.
【小题3】Riding bicycles causes some environmental problems..
【小题4】According to the passage, you can go anywhere by bicycle easily.
【小题5】Bikes are very expensive, and almost every family can not afford them.