As the coronavirus outbreak continues,many Americans are fearful of using public transportation.

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As the coronavirus outbreak continues,many Americans are fearful of using public transportation.They also are looking for ways to get exercise without having to go to a gym,as well as ways to enjoy the outdoors. ___16___
In the United States,bicycles at big stores like Walmart have sold out.And small bicycle stores cannot keep up with demand for"family-style"bicycles:the low-cost,easy-to-ride models.
The bicycle industry is seeing its biggest sales increase since the oil crisis of the 1970s.The increase in bicycle demand began in March as countries began to close down. ___17___ All bicycle sales,including those for children,are up 100 percent from the year before.
___18___ Cities like Manila in the Philippines and Rome,Italy have created bicycle paths for the growing number of people who want to avoid public transportation.In London,city officials plan to bar cars from some central roads.
Of course,you can only buy a bicycle if you can find one bicycle.In the U.S.,the shortages now mean it may take many months to get one.___19___The U.S.buys 90 percent of its bicycles from China.Bicycle factories there were shut down to stop the spread of COVID-19.
In Bar Harbor,Maine,Brian Smith bought a new bicycle for one of his daughters.She is a competitive swimmer who could not get to the pool to practice. His family now goes for rides several times a day.Bicycling helps them all get exercise and enjoy the fresh air.___20___＂It's fun.
Maybe that's the bottom line.It's really fun to ride bikes,"Smith said.
A. But what's the biggest reason they go on rides?
B. High demand is not the only reason for the shortage.
C. Then who has benefited greatest from riding bikes?
D. The rise in bicycle sales is not happening just in the United States.
E. In April,the sale of bicycles for adults increased 200 percent in the United States.
F. However,no bicycles have been imported from abroad like China since the end of last year.
G. So,it may not be surprising that the pandemic(流行病）has led to a major increase in bicycle sales.
【答案】16. G    17. E    18. D    19. B    20. A
【解析】