题目内容：

 

A. impossible       B. pollute      C. immediately      D. for example      E. polite

Carpooling (拼车) is another way to reduce carbon emissions（排放）.Carpooling is the sharing of car journeys in order that more than one person travels in a car. It    1.    reduces your car’s emissions by half.

What you do inside your living space can have a big effect on the air quality outside it. You can do a lot of things inside and around your home that will help you     2.   less and save more money.

Huge amounts of our energy supply comes from burning coal, another contributor to haze. By cutting down your electricity use, you are cutting down on haze. However, it’s     3.    for you never to use them, but you may try to reduce your use of electricity by turning off lights，using your air conditioner wisely during the summer months，or updating some of your electrical appliances to low-energy models,   4.   , you can use energy-saving lamps that require less energy and last 10 times longer than common bulbs.