A wind power generator (发电机) is a great way to produce electricity and to save money. If it is ________ by combining solar and gas power, it can be a very good way to save much money and make our much _________.

A wind generator can be a great way to supply your home with natural, renewable (可再生的) energy. Not only it _________ less, it is also a clean source of energy that can be stored as long as there is ________. Wind generators can be easily made at home _________ the right guidelines (指导原则) for you to follow. But the problem is that we don’t have enough windy days to produce _________ of the energy for a whole day. This is _________ the wind power generator used for camping is fine, but not nearly enough for the average household.

There are many _________ in the United States which use wind power generators. The farmers set machines like propellers (螺旋桨) on poles and build them in faraway areas because they can be too _________. There are a lot of other things you should consider before buying a wind power generator. Many local energy companies have limited using wind power generators for extra _________. And the technology behind wind power generators is not prefect yet. However, if you are able to supplement the energy you need, you can use a wind power generator. This way you will save money and protect the environment as well.