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II. Listen to the second fragment and complete the following sentences. Study the following words before listening

to bear traces of mud ice age to teem with life ozone layer glacier ultraviolet radiation damaging wavelength high latitude be confined to shallow coastal waters

1. The oldest rocks we can find on earth (over 3.5 billion years old) ______________________.

2. Life was confined to depths below 5 meters (m) in the ocean, ________________________________by the absorbing shield of water, or _____________________.

3. _________________, the atmosphere gradually changed.

4. The ozone blocked some of the most damaging _____________________.

5. Life evolved and the land was colonized long before ____________________________ positions.

6. Throughout the history of the planet, there have been _____________________________.

7. During warmer epochs, _____________________, and mild climates prevailed even at high latitudes.

8. It was during this period that Homo sapiens ____________ evolved.

WRITING AND SPEAKING

Write a short essay about biology using the vocabulary of Lesson 1. Get ready to present it in class

 


Lesson 2

LIFE

PRE-READING TASKS

I. Answer the following questions

How do you understand the meaning of the word Life?

How do you think it can be interpreted by the following disciplines: philosophy, theology, biology?

Try to develop your own definition of this notion.

II. Listen to the following words and practice their pronunciation

Metabolism, growth, reproduction, responsiveness, adaptation, chemical, heterotroph, autotroph, evolution, unicellular, mutability, offspring, generation, environment, unique, pressure, sophisticated.

READING COMPREHENSION AND VOCABULARY DEVELOPMENT

I. Match each word on the left to its correct definition on the right

1) adjust, v 2) hallmark, n 3) imply, v 4) origin, n 5) property, n 6) release, v 7) sample, n 8) significance, n 9) species, n 10) survive, v a) an idea, method, or quality that is typical of a particular person or thing; b) to let a substance or energy flow out; c) a group of animals or plants whose members are similar and can breed together to produce young animals or plants; d) a quality or power that a substance, plant etc has; e) to continue to live in spite of difficulties; f) to become or make something more suitable for a particular purpose; g) the importance of an event, action etc, especially because of the effects or influence it will have in the future; h) a small part or amount of something that is examined in order to find out something about the whole; i) to suggest that something is true, without saying this directly; j) the place or situation in which something begins to exist.

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  1. A) COLLOQUIAL WORDS
  2. A. Read the text and decide if the following statements are true or false.
  3. Analyze the meanings of the italicized words. Identify the result of the changes of the connotational aspect of lexical meaning in the given words.
  4. Answer the following questions
  5. Answer the following questions.
  6. Archaic, obsolete and historic words
  7. Arrange the following units into two lexical and two terminological sets. I Give them corresponding names.
  8. Ask your friend the following questions, present the results to the whole group.
  9. B. Listen to part of a radio interview with a historian talking about Einstein. Then complete each sentence with a word or a short phrase. (Track 17, CD2)
  10. Choose any newspaper and complete the following sentences.
  11. Combine the following words into sentences.
  12. Compare the meanings of the given words. Define what semantic features are shared by all the members of the group and what semantic properties distinguish them from each other.




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II. Ask questions to the underlined words | II. Read the following text paying attention to the highlighted words. Explain or interpret the contextual meaning of the underlined phrases

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