1. (2017·恩施) 阅读C篇材料，按要求完成下列各题：

    Have you ever been to Yellowstone National Park，a national park primarily in the US state of Wyoming（怀俄明州）？At Yellowstone National Park，① ． When they are heated for more than a few minutes，they will break up．

    In Atlanta，the USA，there is a popular restaurant which is very special．In the restaurant，waiters no longer throw uneaten food into litter cans．Instead，② ．

    In America，a new activity known as"zero waste"is becoming popular．It is carried out in schools，cafes，gyms，parks，restaurants and other places．"Zero waste"activity calls on people to produce less litter．It encourages people to reuse whatever they can．

    Although the idea seems a little unrealistic （不现实的），it is necessary．According to a new report，American people produce the largest amount of the litter in the world．Each person produces almost 4.6pounds of litter every day．More than half of the litter which is put into landfills is harmful ． Actually，this is bad for the environment．Besides this，more landfills（填埋场） are needed．

    "Nobody wants to have a landfill lying near his house，"said Jon D．Johnson from the Environmental Protection Agency，which helps to carry out"zero waste"activity．"There are not enough landfills，so we can't put all our litter into them．We should try to recycle it as much as we can．"

1. （1） 从A、B、C中为①②处选出恰当的选项，使文章通顺、连贯、合理．

   A．the plates used for food are made of a special kind of plastic

   B．there are several restaurants

   C．the food is used to make compost（混合肥料）

   ①②

3. （2） 在文章中找出能替换划线词语"位于"的英文单词．．
5. （3） What's the purpose of"zero waste"activity in paragraph 3？
7. （4） 请将文中划线部分"More than half of the litter which is put into landfills is harmful．"译成汉语．

9. （5） What's the main idea of this passage？