闻鸡起舞 · 江西专升本刷题

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单项选择题英语练习题

Shared bikes have become popular in many Chinese cities. People can borrow a bike with a phone and ride it to any place they want. It is very convenient and cheap. Shared bikes help solve the 'last mile' problem. For example, when a person gets off the subway, he can ride a shared bike home instead of walking a long way. Riding bikes is also good for the environment because it produces no pollution. However, shared bikes also cause some problems. Some people park bikes everywhere, even on the sidewalk or in front of shops. This makes the city look messy. Sometimes bikes are broken or thrown into rivers. To solve these problems, companies and the government are making rules. Users who break the rules may lose the right to use shared bikes. Everyone should use shared bikes in a polite and proper way, and park them in the right places.

Which of the following is a problem caused by shared bikes?

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