1. (2020·浙江模拟) 听材料，回答问题。

The following is a public service announcement from the City of Los Angeles.<br />Did you know that an average American throws away 7 pounds of garbage each day?<br />Did you know that sea levels have risen more in the last century than in the last 2,000 years?<br />The fact is, our Earth is warming at an alarming rate.<br />Here are some helpful tips for you and your family to help protect our environment.<br />Reduce. Use cloth bags for your groceries instead of plastic.<br />It reduces the amount of waste that ends up in our garbage dumps and oceans.<br />Using less electricity also greatly helps to reduce air pollution.<br />Reuse. When we reuse, we are also reducing pollution, because burning garbage gives off harmful gases into the atmosphere.<br />It is said that about 60 million plastic bottles are thrown away each day in America.<br />So just by switching to a reusable glass water bottle, you are making a difference.<br />Recycle. Each family should have a black garbage can and a green can for food waste.<br />In addition, you will have 3 blue cans for your paper, plastic and metals.<br />More information about recyclable materials will be in the mail or on the website www.lacity.org.<br />If you do not have recycling containers, please call City Services at 213-473-8888.<br />Let's work together to make our city a safer, healthier and more beautiful place to live in.<br />The following is a public service announcement from the City of Los Angeles.<br />Did you know that an average American throws away 7 pounds of garbage each day?<br />Did you know that sea levels have risen more in the last century than in the last 2,000 years?<br />The fact is, our earth is warming at an alarming rate.<br />Here are some helpful tips for you and your family to help protect our environment.<br />Reduce. Use cloth bags for your groceries instead of plastic.<br />It reduces the amount of waste that ends up in our garbage dumps and oceans.<br />Using less electricity also greatly helps to reduce air pollution.<br />Reuse. When we reuse, we are also reducing pollution, because burning garbage gives off harmful gases into the atmosphere.<br />It is said that about 60 million plastic bottles are thrown away each day in America.<br />So just by switching to a reusable glass water bottle, you are making a difference.<br />Recycle. Each family should have a black garbage can and a green can for food waste.<br />In addition, you will have 3 blue cans for your paper, plastic and metals.<br />More information about recyclable materials will be in the mail or on the website www.lacity.org.<br />If you do not have recycling containers, please call City Services at 213 473 888.<br />Let's work together to make our city a safer, healthier and more beautiful place to live in.<br />Thank you for watching.

1. （1） What suggestion is given to "reduce"?

   A . Using electric products. B . Using fewer plastic bags. C . Riding your bike to work.
3. （2） How are plastic bottles wasted according to the talk?

   A . People throw away about 700 plastic bottles per hour. B . A person throws away about 7 pounds of plastic bottles per day. C . Americans throw away about 60 million plastic bottles per day.
5. （3） Which color can is used for food leftovers?

   A . Blue. B . Green. C . White.
7. （4） How can people order new recycling containers?

   A . By phone. B . Through the mail. C . On the website.