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13. Закінчить речення за допомогою необхідного показника часу та перекладіть їх українською:

1. This experiment will help to provide the new method… 2. The laboratory supplied the new data for obtaining the best results… 3.The plant produces a great number of plastics…4. She will become a chemist… 5. We worked at this plant … 6. My friend works at the research institute… 7. Several scientists … work at this problem.

14. Розкрийте дужки, при цьому дієслово повинно стояти в необхідній формі:

1. Prof. Smirnov (to give) a lecture on chemistry next week. 2. In chemical reactions these substances (to form) the new one. 3. We (not to take) that examination yesterday. We (to have) it in a week. 4. My friend (not to work) in the field of organic chemistry, he (to study) at the University. 5. At the lecture we usually (to listen to) the lecturers and (take) notes. 6. Nick (to know) mathematics well? – Yes, he does. He (to like) it and (to do) research in this field. 7. You (to work) in the chemistry laboratory a week ago? – No, we didn’t. We (to work) there only the day after tomorrow. 8. He (not/become) Bachelor of Arts last year. He (become) Bachelor of Science. 9. Chemistry (play) the central role in the life of modern world.

15. Заповніть пропускання у другому реченні відповідно часу дієслова у першому:

1. We study chemistry. He … chemistry.

2. I learn terms. She … terms.

3. They read a dictionary. She … a dictionary.

4. You like … biochemistry. He … biochemistry.

5. He writes an exercise. We … an exercise.

6. They will watch reactions. I … reactions.

7. We shall discuss results. You … results.

16. Відкрийте дужки та оберіть правильну форму дієслова:

Chemistry (study, studies) the composition of substances. Many sciences (finds, find) their way in chemical laboratory. They (want, wants) to know of what things are made. Biochemists (studies, study) chemical processes in living organisms. Geochemistry (investigates, investigate) chemical composition and processes of our Earth. Chemistry (knows, know) answers many questions of Nature.

17. Поставте дієслова в реченнях в заперечну форму в тих випадках, коли це необхідно для того, щоб зміст відповідав реальності:

Each science elaborates a specific language to describe objects of its investigation. Chemistry is an exception. Its language is similar to everyday standard English. There are many special words in it. These words term objects and phenomena which chemists study. Grammar structures of scientific languages differ from those of the standard written English.

18. Поставте в наданих питальних реченнях правильну форму дієслів to do або to be:

A. 1. … chemists use specific language to speak about their science? 2. … chemistry and biology descriptive sciences? 3. … the language of science include various styles of writing? 4. … the vocabulary of the language of chemistry similar to that of standard English? 5. … you know what the term “transformation” means? 6. … the term “analysis” originate from Latin?

B. 1.Languageof science is highly terminological, … it? 2. The term biology originates from two Greek words, … it? 3. Science reflects the world in specific notions, … it? 4. There are many formal worlds in the language of science, … there? 5. Clarity is a must in scientific writing, … it? 6. Journals want their authors to follow scientific format, … they?

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