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IV. Speaking

1. Work with a partner. Here are his answers. Ask him questions. Then, switch the roles.

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— Plants are constantly metabolising, both breaking down preformed molecules and building new ones at the same time.

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— Besides their own essential principles, the so-called primary plant products, plants produce other principles, which apparently do not have any definite biological function.

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— The biological function of secondary products is often discussed but the fact is that many of them have a special importance out­side the plant because of their pharmacological action.

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— Plants that give drugs have both active and inactive substances.

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— The inactive substances include cellular structures and pharmaco­logical inactive compounds.

2. In pairs, act out a dialogue. Then switch the roles.

Student A: What is phytopharmacy?

Student B: Phytopharmacy is the study of plants.

A: Are drugs isolated from plants?

B: Yes, they are.

A: Why are medicinal plants important?

B: They are important for many reasons: they provide us with natural drugs, active constituents and intermediates for semi-synthetic drugs.

A: What does the nature produce?

B: The nature produces an astonishing variety of complex phytoconstituents which embrace all fields of pharmacological action.

3. Give as much information as you can about:

  • phytopharmacy foundation;

  • phytopharmacy'importance;

  • plants living under a variety of conditions;

  • pharmacological action;

  • metabolism and its role.

VII тема: Хімія.

VII. тема: Хімія.

24. Chemistry. The subject and its study. Sections of chemistry. Хімія. Предмет і її вивчення. Розділи хімії.

I. Active vocabulary

property – властивість;

alteration – зміна;

identity – ідентичність;

quantity – кількість;

equilibrium – рівновага;

reaction rate - теми реакції;

solid - тверда речовина;

fluorescencc – світіння;

artificially – штучно;

destruction – руйнування.

II. Chemical compounds

Element

Symbol

Ukrainian equivalent

bromine

Br

бром

calcium

Ca

кальцій

carbon

С

вуглець

chlorine

CI

хлор

Element

Symbol

Ukrainian equivalent

chromium

Cr

хром

coppcr

Cu

мідь

fluorine

F

фтор

helium

He

гелій

iodine

1

йод

iron

Fc

залізо

magnesium

Mg

магній

manganese

Mn

марганець

mercury

Hg

ртугь

nitrogen

N

азот

oxygen

0

КИССІІЬ

phosphorus

p

фосфор

kalium (potassium)

к

калій

silver

AS

срібло

sodium (natrium)

Na

натрій

sulphur

S

сірка