EXERCISES

Exercise 1. Find in the text English equivalents for these words and word combinations:

  1. многие скажут 2. определение химии 3. более удобно 4. доступные методы 5. решение проблем 6. квантовая механика 7. полное понимание 8. краткий обзор 9. взаимоотношения 10. рука об руку 11. большое количество 12. определение атомного веса 13. в то же самое время 14. именно теория.

 

Exercise 2. Quote the sentences in which the following words and word combinations are used in the text:

To define, modern chemist, the solution of the problem, to affect the development, to show the interrelationship, to deal with, to carry out, to develop into a system, to attract workers, it is owing to

 

Exercise 3. Compose sentences, using the following words and wordcombinations:

 

To define, the definition of, to distinguish between, to be more convenient, the growth of, to make a short survey, to deal with, to describe, at the same time, to provide

 

Exercise 4. Finish the sentences:

 

  1. Chemistry today is…
  2. A modern scientist slightly distinguishes between…
  3. Two facts helped to…
  4. In 1828 Wohler showed…
  5. Inorganic and organic chemistry progressed…
  6. The year 1887 is the date of…
  7. The facts give a science…
  8. The theory provides …

 

Exercise 5. Answer the questions:

 

  1. What is the chemistry?
  2. What will many say about this definition?
  3. What are the main branches of chemistry today?
  4. What facts helped the development of inorganic chemistry?
  5. What did Wohler show in 1828?
  6. How did organic and inorganic chemistry appear?
  7. What work was carried out?
  8. When did physical chemistry appear?
  9. What system did organic chemistry develop?
  10. What do people say about facts and the theory?
  11. What prospects does chemistry have at the present time?

Exercise 6. Translate into English:

 

  1. Краткий обзор истории данного предмета помогает определить его состояние сегодня.
  2. На протяжении последующих ста лет было открыто большое число новых элементов.
  3. Благодаря развитию теории мы можем говорить о прогрессе науки в целом.
  4. Органическая химия постоянно привлекает внимание многих выдающихся ученых.
  5. Если необходимо, то я помогу тебе в решении этой проблемы.
  6. Мы начнем сначала, если вы не возражаете.

 

Exercise 7. Present Progressive or Present Simple.

 

  1. I (read) an English textbook.
  2. Usually my friend (read) a lot.
  3. What you (do) tonight?
  4. What you usually (do) at the weekend?
  5. Is mother in the kitchen? – Yes, she is. She (cook) something. She always (cook) at that time.
  6. Our teacher (speak) two foreign languages.
  7. Hello. This is Brown speaking. – Sorry, I do not hear you well. Who (speak)?
  8. What they (do)? – They are going to the lecture. Professor M. (deliver) a course of lectures on chemistry and the students always (listen) to his lectures with pleasure.