Have you seen some machines that eat used plastic bottles and give some coins to the users？

Recently，such machines have appeared at universities in Chongqing.They can turn rubbish into treasure and encourage the public to recycle rubbish．The machine is as large as a fridge.Users put an empty bottle in the machine,and it is identified（识别）by a small camera．Then it is put into a bin.The users can get some coins.

When the machine is filled with bottles，it will tell the company head office．Nearby stations will send workers to have bottles collected，packed and sent to the company.

The bottle recycling machines could greatly encourage the public to recycle rubbish and save natural resources（资源）．Now the machine only eats plastic bottles．At sometime in the future it will also cover others such as glass bottles．It will be able to turn more rubbish into treasure and save more natural resources.

People can also see similar machines in Shanghai．In the future，more machines will appear at some large stations，bus stops，neighborhoods and schools．

【小题1】Where have the bottle recycling machines appeared so far？　  　

A．In Beijing and Shanghai．	B．In Beijing and Chongqing．
C．In Chongqing and Shanghai．	D．In Shanghai and Chengdu．

【小题2】How does the machine work？　  　
①It is identified by a small camera．②Users can get some coins．
③Users put an empty bottle in the machine．④It is put into a bin．

A．③②④①

B．④①②③

C．①④③②

D．③①④②

【小题3】Who will be sent to collect bottles after the machine is full？　  　

A．Some cleaners．

B．Some workers．

C．Some officers．

D．Some farmers．

【小题4】What do the machines encourage the public to do？　  　

A．To invent things．	B．To recycle waste newspapers．
C．To recycle rubbish．	D．To use paper cups and plastic bottles．

【小题5】According to the passage，the machines may　  　  in the future．

A．recycle glass bottles	B．appear in hospitals
C．help people keep healthy	D．help workers make more money