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What is the main idea of this passage、

发布时间:2024-07-09

A.Public lands play an important role in energy production.

B.Public lands are one of the main sources of revenues.

C.Public lands should be developed to ease energy shortage.

D.Public lands store huge energy resources for further development.

试卷相关题目

  • 1What does Ghirardi say about algae、

    A.They can be a good energy source.

    B.They grow faster in a reactor.

    C.They will be planted everywhere.

    D.They are cheap to eat.

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  • 2Researchers find it difficult to make algae produce hydrogen efficiently because_____.

    A.it is hard to create an airfree environment.

    B.it is expensive to remove the sulfate from the environment.

    C.removing the sulfate slows down hydrogen production.

    D.the algae’s cells work slowly if there is no oxygen in the air.

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  • 3Algae are able to use solar energy to produce hydrogen when_____.

    A.they are grown in narrow-necked bottles.

    B.there is no oxygen in the air.

    C.there is enough oxygen in the air.

    D.enough starches is stored.

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  • 4Scientists study how photosynthesis works because they want to_____.

    A.improve the efficiency of it.

    B.turn plant sugars to a new form of energy.

    C.get more sugars and starches from plants.

    D.make green plants a new source of energy.

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  • 5How do plants relate to solar energy、

    A.They have been using it for billions of years.

    B.They are the real experts in producing it.

    C.They have been a source of it.

    D.They have been used to produce it.

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  • 6Which of the following statements is true of public lands in the U.S.、

    A.Half of US energy is produced there.

    B.The majority of undiscovered natural gas is stored there.

    C.Most of coal was produced from there in 2000.

    D.Most energy resources are reserved ther

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  • 7Geothermal resources, wind turbines, and hydropower facilities in Paragraph 4 cited as examples to illustrate that_____.

    A.alternative energy production is no less than conventional energy production.

    B.the amount of alternative energy production from public lands is huge.

    C.they are the most typical conventional energy resources from public lands.

    D.geothermal resources are more important than the other two.

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  • 8There is a mounting pressure on public lands to satisfy US energy demands_____.

    A.many Americans are unhappy with energy development in foreign countries.

    B.quite a few public lands are banned for energy development.

    C.the U.S. is demanding more and more energy.

    D.many Americans think public lands are being abused.

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  • 9Public lands can be used for energy development when_____.

    A.energy development restrictions are effective.

    B.federal land managers grant permissions.

    C.they go through the land use planning process.

    D.there is enough federal budget.

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  • 10Why did the wild life experts visit the Kalahari Desert、

    A.To find where honey badgers live.

    B.To catch some honey badgers for food.

    C.To observe how honey badgers behave.

    D.C.To observe how honey badgers behav

    E.D.To find out why honey badgers have a bad reputation.

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