阅读下面的短文，根据短文内容，完成表格。（每空填1至3个词）
China has decided to stop the use of free plastic bags. Supermarkets, shops and outlets(经销店) in China can't offer plastic bags any more.
Every year, people use too many plastic bags. They throw them here and there after they have used them. The government has done its best to deal with them but failed. While we offer quick service（服务）to customers, the plastic bags pollute water, earth and air, and they waste the oil. The government asks people to go back to carry cloth bags and use baskets when they go to buy something. The cloth bags and the baskets can be used again and again.
Many months have passed. The environment has been improved a lot.
Action | Make a decision to stop the use of ____ |
Where | Supermarkets, ____ and outlets |
Advantage | Offer ____ service to customers |
Disadvantage | Pollute water, earth and air and waste the ____ |
What should we do | Go back to carry cloth bags and use ____ |
”，小明做了下列三个模拟实验来验证．
