While people in Shanghai are busy with trash sorting, a city in Indonesia has found a different solution to recycling waste. It is the “Plastic to Ride” project.  
Surabaya is Indonesia’s second largest city. People there can exchange trash for free bus ticket. A one-hour ticket costs five plastic bottles or ten plastic cups. The project is popular in the city. Nearly 16,000 passengers take part in it each week. A bus can collect up to 250 kilograms of trash every day.  
The project encourages people to travel by bus, which helps reduce plastic waste. Sounds like a good idea, doesn’t it? 

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1.Where does the trash sorting take place?

A In Thailand.

B In India.

C In Surabaya.

D In Shanghai.

解析：选D。细节理解题。根据第一段第一句While people in Shanghai are busy with trash sorting可知，上海在实行垃圾分类，故选D。

2.Why do people in Surabaya collect plastic bottles?

A Because it can help clean the air.

B Because it could be used to take a taxi.

C Because it could be used to take a bus.

D Because it can help reduce plastic use.

解析：选C。细节理解题。根据第二段第二和三句 People there can exchange trash for free bus ticket. A one-hour ticket costs five plastic bottles or ten plastic cups.可知，人们可以用废旧塑料瓶换车票以乘坐公交，因此收集塑料瓶，故选C。

3.How long can you take the bus with ten plastic bottles?

A 1 hour.

B 2 hours.

C 20 minutes.

D 30 minutes.

解析：选B。推理判断题。根据第二段第三句A one-hour ticket costs five plastic bottles or ten plastic cups.可知，5个塑料瓶可以坐一个小时的公交，由此可推测用十个坐两个小时，故选B。

4.What does the writer think of the “Plastic to Ride” project?

A It’s a good project.

B It’s a waste of time.

C It’s a waste of energy.

D It’s just so-so.

解析：选A。观点态度题。根据最后一段最后一句Sounds like a good idea, doesn’t it?可推测作者认为这个活动是一个不错的活动，故选A。