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"People have seen the colorful shared bikes (共享单车) in the city streets around China for several years .People can rent (租用) them with a smartphone app and then park anywhere

they choose .To relieve (减少) traffic ja ms and air pollution,many cities have introduced bike-

sharing services .But sometimes,dreams are not so perfect .

It is true that it is convenient for people to go out by shared bike . As shared bikes become more popular,problems showed up .According to news reports,users didn't treat shared bikes well.After people used the bikes,some of them just threw them onto streets .Some people stole the bikes or locked them up .A month ago,the police fined a man in Shanghai 1，000 yuan ，because he stole a shared bike .

Besides ，the damage to the QR cones (二维码) on the bikes h as brought huge losses to bike-sharing companies ，like Mobike ( 摩拜单车) .If the QR code is bad,people cannot use the bike anymore .It can take several hundred yuan for the company workers to find a lost bike and repair it .Mobike has 100 credit scores for each user.Once the score drops to below 80 ，bike rental (租金) will go up five yuan per 30 minutes .

However,punishment may not be the best way to stop shared bikes from being stolen or damaged .Bike-sharing services will work better only if people follow the rules and show respect for the bikes.""1.【单选题】People can easily rent a shared bike with_ __

A.a map

B.a card

C.a bike key

D.a smartphone app

2.【单选题】According to the passage, many cities have introduced bike-sharing services to ___ Which one is NOT TRUE?

A.relieve traffic jam

B.buy the bike company

C.protect the air

D.let people live more conveniently

3.【单选题】Many problems appeared after people used the bikes. Some people____ .Which one is NOT mentioned(提到)?

A.damaged the QR codes

B.stole the shared bikes

C.sold the shared bikes online

D.threw the bikes onto streets or into ditches

4.【单选题】The underlines word ""credit"" in the last second paragraph refers to(指的是)

A.信用

B.免费单

C.兑换券

D.积分

5.【单选题】What should we do to make the bike-sharing services better? We should ______

A.lock the bikes up in chains

B.park the shared bikes only at the bus station

C.follow the rules and show our respect for the bikes

D.raise the bike rental to five yuan per 30 minutes"