17．The Beijing Underground's Line Ten will soon have 40"reverse vending machines（有償自動回收機(jī)）"，which will pay people for their empty plastic bottles．
"We have placed two such machines at Beijing Capital International Airport and four at the city's underground stations．They have been well received so far，"said Feng Juan，an engineer from the company which makes the machines．"People are encouraged and paid for turning waste into treasure．More than 30，000empty bottles have been collected since December，"she said．
If something else，such as waste paper，is thrown into the machine，the machine will spit（吐） it out．
"Supported by the government，the reverse vending machines will be introduced to colleges and universities soon，"Feng said．
The company is also considering covering more recycling materials，including used books and teaching materials．
"Long-term plans call for about 2，000reverse vending machines to be place throughout the city in the next few years，including 80at colleges and universities，shopping malls，communities and office buildings，"Feng said．
Chang Tao，director of the company，said that if the new project works well in the city，the company will consider offering the waste-to-treasure service to other developed cities in the eastern part of China．
96．What will the reverse vending machine do？It will pay people for their empty plastic bottles．
97．How many machines are there at the city's underground stations？Four．
98．Is Feng Jyna the director of the company which makes the machines？No，she isn't．
99．Which will be spit out by the machines，empty plastic bottles or waste paper？Waste paper
100．What will they consider doing if the new project works well？The company will consider offering the waste-to-treasure service to other developed cities in the eastern part of China．．
