2020年8月22日托福听力真题(Conversation)+题目+答案+mp3音频下载

今天给大家分享一篇2020年8月22日托福听力真题其中一篇Conversation的真题。该篇真题主要讲述了板块构造和地球上复杂生命出现的关系，gondwanan 向赤道的偏移导致了它的解体，同时教授还提到了化石记录等。具体真题题目如下：

1 . What does the professor mainly discuss?

A. A theory about the breakup of the Gondwanan supercontinent during the Cambrian periods

B. A possible relationship between plate tectonics and the relatively sudden appearance of complex life on Earth。

C. How a massive mountain range might have affected climate during the Cambrian period.

D. A new tool developed by Australian researchers to analyze fossils found in ancient seabeds.

2.Why does the professor mention the fossil record?

A. To provide background for a topic he wants to discuss.

B. To suggest that a geologic time period may have been inaccurately estimated.

C. To make a distinction between speculation and hypothesis.

D. To give an overview about how shelled animals become fossilized.

3. What is the professor's attitude toward the Gondwanan supermountain hypothesis?

A. He considers it a reasonable explanation.

B. He is surprised that no one propose it earlier.

C. He understands why it is controversial.

D. He suspects that it will be replaced by a better hypothesis.

4.According to the professor, what caused the Gondwanan supermountain to form?

A. A partial breakup of Gondwana.

B. The drift of Gondwana toward the equator.

C. The crash of two huge mountain ranges near India 

D. A merging of continents in the Southern Hemisphere.

5.What does the professor imply about algae?

A. Some species of algae evolved to survive on dry land.

B. Some species of algae became extinct at the end of the Cambrian period.

C. Algae brought nutrients into the food chain during the Cambrian period.

D. Algae probably did not exist before the Cambrian period.

6 What did researchers determine about the zircon in the sandstone samples that they studied?^

A. Zircon tends to decrease the rate at which sandstone weathers.

B. Zircon was unusually abundant in sandstones from the Gondwana supercontinent.^

C. Zircon in sandstone from Australia is as old as the Himalayas.

D. Zircon of the same age is found in sandstone samples from different continens.

有相应的听力音频哦！非常清晰版的！

2020年8月22日托福听力真题(Conversation)+题目+答案+mp3音频下载，1元有偿！

本次考试的写作范文，请点击查看：

2020年8月22日托福独立写作范文：Do you agree or disagree：For a business to be successful, man must spend a lot of money on advertising.