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  3. This passage mainly tells us ______. What cannot be concluded about the satellite images?

This passage mainly tells us ______. What cannot be concluded about the satellite images?

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问题 This passage mainly tells us ______.
What cannot be concluded about the satellite images?
选项 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.
答案A
解析 本题为细节推理题。在第二段中，文章指出依赖于卫星图像只能估计到大面积的砍伐和火灾，而对于无数个小面积的毁坏包括间伐是很难从卫星图像上看见的。但不能说卫星对于调查森林毁坏程度是无用的。
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