Добавил:
Upload Опубликованный материал нарушает ваши авторские права? Сообщите нам.
Вуз: Предмет: Файл:
Підручник.docx
Скачиваний:
0
Добавлен:
01.03.2025
Размер:
486.03 Кб
Скачать

I. Turn the following sentences into Passive Voice

  1. William Harvey established the true mechanism of blood circulation.

  2. Botanist Carolus Linnaeus established taxonomy as a discipline.

  3. Charles Darvin developed the theory of evolution by natural selection.

  4. The Austrian monk Gregor Mendel first formulated the concept of particulate heredity factors.

  5. Scientists employ the metric system to measure the size and volume of specimens.

  6. In this first unit we will examine the nature of science.

  7. In 1953, American scientist James Watson and British scientist Francis Crick developed the model for deoxyribonucleic acid (DNA).

  8. Since that time scientists have successfully applied the evolutionary explanation to newly discovered creatures.

  9. A team of American scientists is carrying out a research into the effects of exhaust gases.

  10. The doctor postponed the operation yesterday due to the patient’s bad condition.

II. Turn the following sentences into Active Voice making any necessary changes

  1. The theory of evolution is well accepted by scientists and most of the general public.

  2. This heat is removed from our bodies by sweating.

  3. The word ”cell” was introduced by the English scientist Robert Hooke.

  4. Embriology was founded by Karl Ernst von Baer.

  5. Living things are found virtually everywhere.

  6. The Allende Meteorite (and others of its sort) have been analyzed and found to contain amino acids, the building blocks of proteins.

  7. A lecture on the structure of the muscles was delivered by the professor on Monday.

  8. The operation will be performed tomorrow morning.

  9. The doctor will be examining the patients from 9 till 12.

  10. The new methods had been included into investigation by that time.

LISTENING COMPREHENSION

I. You will hear a text about an uncontrolled cells proliferation resulting in tumours. Before listening discuss the words and expressions in the box with your fellow students and teacher

apoptosis

telomere

telomerase

unsightly

metastasis

bloodstream

carcinogen

cell cycle clock

tumour suppressor gene

runaway cell division

benign/ malignant tumour

odds for a full recovery

lymphatic system

to evaluate the health of the cell

to proceed with cell division

to render the cells immortal

“silent” genes

oncogenic virus

to reduce the risk dramatically

II. Listen to the text and answer the questions below

  1. What is the cell cycle clock?

  2. What happens if a cell’s condition is not right?

  3. What is gene p53 responsible for?

  4. Is apoptosis “good” or “bad” for living beings?

  5. How many times does a single cell normally divide?

  6. What is the difference between telomeres and telomerase?

  7. What types of tumours can you name?

  8. Do surgeons always remove benign tumours?

  9. How do cancer cells metastasize?

  10. Do all people have equal chances to develop a tumour?

  11. What lifestyle should one adopt to reduce the risk of cancer?