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What is the main idea of the passage? [br] [originaltext] Climate, more than
What is the main idea of the passage? [br] [originaltext] Climate, more than
游客
2024-09-16
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问题
What is the main idea of the passage? [br]
Climate, more than any other single factor, determines distributions of life on Earth. Climatic boundaries establish the limits within which organisms can survive. Plants, even more than animals, must be well adapted to climate in order to survive. They cannot move about or take shelter but must be equipped to endure whatever weather conditions are likely to occur. In the harsh conditions of tundra, for example, low growing mosses, lichens, and a few flowering plants all hug the ground for shelter from icy winds.
Animals, despite their ability to move about and find shelters, are just as much influenced by climate as plants are. Creatures such as the camel and the penguin are so highly specialized that they have extremely limited distribution. Others, such as bears, are flexible enough to adapt to a broad range of climates. Ocean-dwelling organisms are just as sensitive to climatic changes—in this case temperature and salinity—as land animals. Reef corals can survive only in clear warm seawater. Certain foraminifers are so sensitive to changes in their environment that their presence can be taken as an index of sea temperature. Human beings are among the least specialized of all animals and can live almost anywhere. Their clothes and their homes act as a sort of "miniature climate" that can be taken with them everywhere.
选项
A、Because it shows that ocean life is just as much influenced by climate as plants and land animals are.
B、Because it shows that ocean life is more limited by climate than land animals.
C、Because it shows that ocean-dwelling organisms have extremely limited distributions.
D、Because it shows that ocean life can be better used for oceanographers.
答案
A
解析
此题旨在说明海底生物与动植物一样受气候影响,所以选项A为正确答案。
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