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Now put the words in brackets in their correct places in the following sentences

1. It was proved that the larger animals came from eggs. (always)

2. The study of the molecular organization of the cell has had the greatest impact upon biology during the 20th century. (probably)

3. A man in the street, if asked about life on other planets, will picture life of a distinctly human sort. (often)

4. Exobiology has deep significance even if extraterrestrial life is found. (never)

5. The cross-sectional structure of the cilia and flagella is nine pairs of peripheral and one pair of internal fibres. (almost always)

6. It is claimed that the rise of Christianity was the cause of the decline in science. (sometimes)

7. Condensing agents can be quite effective in inducing polymerization. (often)

8. Albertus Magnus was the greatest naturalist of the Middle Ages. (probably)

9. Whether a gene is active is the result of an interaction between cells. (sometimes)

10. Science was virtually dead by the end of the 2nd century AD. (already)

II. Reconstruct the sentences below putting their fragments in order

1. S.L. Miller / in 1953 / experimental simulation / The first / was carried out / by / deliberate /a U.S. graduate student / of the early Earth conditions.

2. through a liquid / continuously sparked / methane / and hydrogen / was circulated / a corona discharge / water vapour / water solution / ammonia / A mixture of / and / by / elsewhere / in the apparatus.

3. to sparking /After / of exposure / changed / the solution / several days / colour.

4. amino and hydroxy acids / indicated that / intimately involved / simple procedure / in contemporary life / Subsequent analysis / had been produced / by this / several.

5. particularly / quite remarkable / It is / biologically abundant / simulated /can be made / so readily / under / that amino acids / primitive conditions / amino acids.

6. become oxidizing / are formed / for prebiological / however / no amino acids / laboratory conditions / suggesting / that / When / were necessary / reducing conditions / organic synthesis.

LISTENING COMPREHENSION

I. You will hear a text “Life from Outer Space?” Complete the notes below which summarize it. You will need to write a word or a short phrase in each space. Discuss the words from the box before listening

to gain popularity entirely absurd archaea environmental tolerance tentative evidence to be blasted into space to capture a meteor crash into a planet precursor of life cognizant life

There is a hypothesis that life did not ___________ but emerged elsewhere _____________ and was then transported to our planet.

It is not senseless because the most primitive ______________ have extreme _______________ and some possibly could survive __________.

In _____ a team of NASA scientists announced that _____________ had been found in a 4.5-billion-year-old meteorite _____________.

Mars has much weaker ______________________.

The earth is more likely ________________ than __________.

We may all be ________________________.

It is possible that life __________________ on the earth and Mars.

To answer these questions scientists should:

1) carry out experiments on ______________________;

2) continue exploration for ___________________;

3) search for a source ___________________ from outer space.

WRITING


Читайте також:

  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. Are these instructions correct?
  8. Are these true or false? Correct the false ones.
  9. Arrange the following units into two lexical and two terminological sets. I Give them corresponding names.
  10. Ask your friend questions in English about their content. Summarize his/her answers.
  11. Ask your friend the following questions, present the results to the whole group.
  12. Choose any newspaper and complete the following sentences.




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Vocabulary notes | Make a written summary of the text “Origin of Life” in 150 words using the active vocabulary of the lesson

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