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发布时间: 1970-01-01

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1最佳选择题 3分

Studiesofdeforestation采伐森林毁坏森林inAmazonrainfores

  • A. past efforts to estimate deforestation in the Amazon have completely failed
  • B. that damages caused by logging and fires threaten the Amazon rain forest
  • C. Amazon rainforest disappears faster than thought
  • D. that satellite images are made use of for estimating deforestation
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2最佳选择题 3分

Studiesofdeforestation采伐森林毁坏森林inAmazonrainfores

  • A. Satellite images are useless for calculating forest loss.
  • B. Satellite images cannot detect forest loss by selective logging.
  • C. Satellite images were not accurate because of changing environmental factors.
  • D. Satellite images showed half or less of the actual deforestation in Brazilian Amazon.
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3最佳选择题 3分

Studiesofdeforestation采伐森林毁坏森林inAmazonrainfores

  • A. Damages from fire and logging in the Amazon rainforest vary significantly from year to year.
  • B. The worsening of the global environment is chiefly due to deforestation.
  • C. It is a hard work to determine the accurate deforestation in the Brazil's Amazon region.
  • D. Farmers should be blamed for the worsening of the global environment.
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4最佳选择题 3分

Studiesofdeforestation采伐森林毁坏森林inAmazonrainfores

  • A. Uncontrolled development.
  • B. A warming atmosphere at a global level.
  • C. Sunlight reaches the forest floor, dries plants and lights fires.
  • D. No limits on logging and bad fire preventing efforts.
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5最佳选择题 3分

Studiesofdeforestation采伐森林毁坏森林inAmazonrainfores

  • A. Interviewing wood mill operators and landowners about logging.
  • B. Surveying fire damages from the airplane.
  • C. Measuring the actual wood harvest in selected parts of forest.
  • D. Surveying the damage of forest caused by Amazon floo
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