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TF聽力真題XYS_CH_004_L3

2023-04-05 23:52 作者:bili_96559541179  | 我要投稿

聽力音頻:

托福聽力真題CH系列 004套

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climate can influence species diversity

第1題

What is the lecture mainly about?

A Similarities and differences between polar and tropical birds

B How mammals tend to differ from birds in choosing a microhabitat

C How feeding strategies based on climate can influence species diversity

D Warning signs that indicate when a species is threatened with extinction

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第2題

What are two points the professor makes about polar animals species with regard to the food they eat?

A They change their eating behaviors based on food availability

B They can survive without food for long periods of time

C They tend to need more food in the winter than in the summer

D They look for food over a very wide area

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第3題

Why does the professor discuss the arctic fox?

A To point out its effect on bird populations in polar regions

B To identify an animal species affected by seasonal change

C To illustrate the importance of microhabitats

D To give an example of a generalist species

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第4題

What reason does the professor give to support the claim that microhabitats lead to an increase in species diversity?

A They have temperatures that are suitable for many species.

B They reduce competition among species for the same food resources.

C They allow individual species to spread throughout multiple ecosystems.

D They prevent animals species destroying their food sources through overpopulation.

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第5題

Why does the professor mention species extinction?

A To emphasize a possible consequence of specialization

B To point out the effect of human activity on polar habitats

C To illustrate a downside of competition between different species

D To give a reason why animal species might change its microhabitats

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