Lesson 22

ГРАММАТИКА: Герундий и герундиальный оборот в функции дополнения.

Section I

Ex. 1. Practise your pronunciation.

a) determine [df t3:min]f prevail [pn'veil], consequently ['konsikwontli], identify [af dentifai], inasmuch [,inDz'niAtf], measurement ['mcsomont], height [hait], mercury ['m3:kjon], barometer [bo'romitoj

b) the^'nature^of thcliquidjtself, injhcjsamcway, it^ is^'quite^'tniejo 4say, theu'boiling^'tcmpcraturc^of water, a'nother^'unit^of pressure

c)An 'increase in the ,atmo'spheric /pressure | 'causes a 'rise in the 'boiling 'point of aliquid.

Ex. 2. Pay attention to the structure of the following words. Translate them into Russian.

a) subatomic, subdivide, subdivision, subgroup, subnormal, substandard

b) dccomposc, dccrcasc, decentralize, decolourize, deduction, deformation, degradation, dehydration, demagnetize, deoxidize, destruction

c) enable, enlarge, enclose, enforce, enlighten, enrich

Ex. 3. Define the meanings of the word cause in the following sentences:

1. An increase in the atmospcric pressure caused a rise in the boiling point of a liquid. 2. There is no cause to consider these data not reliable. 3. It was ncccssary to understand what caused the explosion. 4. In­vestigation of peptides is a noble cause because it may be of great servicc in medicine. 5. The decrease of the temperature caused the reaction to procccd slower. 6. The circumstances caused him to stop his experiments.

Ex. 4. Find the predicate, the subject and the object in the following sentences:

1. A dccrcasc in the atmospheric pressure results in a lowering of a boiling point. 2. A Swedish astronomer A. Celsius is widely known for his $ having introduced a temperature scalc. 3. Selenium is an interesting substancc and well worth studying. 4. Selenium and sulphur resemble cach other in having analogous chcmical properties.