更多"Solar energy for your home is comin"的相关试题:
[单项选择]Solar energy for your home is coming. It can help you as a single home owner. It can help the whole country as well. Whether or not solar energy can save your money depends on many things. Where you live is one factor. The type of home you have is another. Things like insulation present energy costs and the type of system you buy are added factors.
Using solar energy can help save our precious fuel. As you know, our supplies of oil and gas are very limited. There is just not enough on hand to meet all our future energy needs. And when Mother Nature says that’s all. The only way we can delay hearing those words is by starting to save energy now and by using other sources, like the sun.
We won’t have to worry about the sun running out of energy for another several billion years or so. Besides beginning an endless source of energy, the use of the sun has other advantages as well. The sun doesn’t offer as many problems as other energy sources. For example, fossil fuel plants add
A. the earth and natural resources
B. Mother Nature
C. the sun
D. our precious fuel
[填空题]Who can help you if your hard disk crashes
[填空题]Online bill pay can help you manage your bills without having to worry about paper bills and checks. {{U}} (36) {{/U}} you have online bill pay set up and running, you can {{U}} (37) {{/U}} more time on the fun things in life.
There are {{U}} (38) {{/U}} types of online bill pay {{U}} (39) {{/U}}. For example, online bill pay offered by your bank and online hill pay offered by your service {{U}} (40) {{/U}} (phone company, mortgage company, etc).
If you really like to {{U}} (41) {{/U}} things so that you don’t have to think about them, you can automate online bill pay. Almost all online bill pay services will allow you to set up recurring {{U}} (42) {{/U}}. For example, you can have the online bill pay service take care of your phone bill every month or your {{U}} (43) {{/U}} every quarter.
Another way you can let online bill pay run on auto-pilot is to allow your service providers to pull money out of your account without you having to click anywhere. {{U}} (44)
[填空题]Solar energy is called a renewable resource because on a human time scale it is essentially inexhaustible, it is expected to last at least 6.5 billion years while the sun completes its life cycle. 46) A potentially renewable resource can be renewed fairly rapidly (hours to several decades) through natural processes, examples of which include forest trees, grassland grasses, wild animals, fresh lake and stream water, groundwater, fresh air, and fertile soil.
47) One important potentially renewable resource for us and other species is biological diversity or biodiversity, which consists of the life forms that can best survive variety of conditions currently found on Earth. Kinds of biodiversity include (1) genetic diversity( variety in the genetic makeup among individuals within a single species), (2) species diversity (variety among the species or unique forms of life found in different habitats of the planet), and ( 3 ) ecological diversity (variety of forests, deserts, grasslands,
