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Listen to an Announcement Test #125
Listen to an Announcement
1. What is the main topic of the talk?
A) The search for life on other planets
B) The dangers of acidic environments
C) An introduction to a type of organism
D) The process of deep-sea exploration
2. What can be inferred about extremophiles?
A) They are only found in hot water.
B) They can survive in harsh conditions.
C) They are a recently discovered species.
D) They are harmful to other life forms.
Professor: Good afternoon. Today, we're going to begin our discussion of extremophiles. These are organisms that thrive in physically or geochemically extreme conditions detrimental to most life on Earth. For example, some live in the boiling water of hot springs, while others are found in highly acidic environments or deep-sea vents with immense pressure. Studying them is crucial because it expands our understanding of the fundamental limits of life and can even inform our search for life on other planets.
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