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Unit 7.Brownian Motion.docx
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Pre-text exercises

1.Read the following words and guess their meaning:

r outine

examination

microscope

vibration

opposite

amplitude

bombardment

molecule

kinetic

theory

analysis

atomic

nature

matter

discussion

gradient

oscillation

observation

demonstrate

motion

region

concentration

diffusion

To transport

operation

absorb

constant

substance

indicate

reactor

neutron

perpendicular

2 .Mind the pronunciation of the following words:

brownian

[ˈbraʊnɪən]

obviously

[ ]

crucial

[ ]

cancellation

[ ]

diehard

[ ]

exact

[ ]

swinging

[ ]

merely

[ ]

pendulum

[ ]

convenient

[ ]

vibration

[ ]

confirm

[ ]

routine

[ ]

eminent

[ ]

oscillation

[ ]

dye

[ ]

previous

[ ]

permeate

[ ]

perpendicular

[ ]

diffusivity

[dɪˈfjuːsɪvɪtɪ]

3. Find the equivalents:

c rucial

просто

to permeate

компенсировать

diehard

выдающийся

diffusivity

решающий

to swing

согласно

to settle down

колебание;

merely

убедить

to be suspended

проникать

convenient

подтвердить

to cancel

коэффициент диффузии

to confirm

удобный

to be due to

несгибаемый

eminent

краска

according to

успокоиться

dye

быть подвешенным

to convince

благодаря

4 . Match the necessary postpositions and find them in the texts ''Brownian Motion'' and ''Diffusion'':

to relate smth…

from

to work…

through

rather…

to

to name….

around

to cancel…

out

to move…

out

to result…

after

to pass…

than

5. Match the synonyms:

to occur

to remain

only,simply

clearly

to convince

to cancel

to hang

to attempt, try

merely

obviously

important

to strike

to suspend

effort

to foretell

to develop

crucial

to hit

prominent

to solve

to predict

to work out

usual

to devise

eminent

to happen

to stay

to calculate

routine adj.

to persuade

to delete

famous

6.Below you will find a list of physical terms mentioned in the text. Choose their Russian equivalents in the right-hand column.

cancellation

опорная,базовая поверхность

frequency

рассеивание

oscillation

отмена, погашение,компенсация

conduction

коэффициент диффузии

scattering

колебание

reference surface

проводимость

diffusivity

частота

Grammar Exercises

7. Find the correct form of the participle:

  1. ... to work for a company you should take into account different factors.

a)being invited

b)having invited

c) invited

                1. ... with people you accumulate good management skills.

a)when worked

b)having worked

c)working

                1. ... the goods were checked

a)having delivered

b)having been delivered

c)delivered

                1. ... the manager couldn't explain his position.

a)when asked

b)when asking

c) having asked

8. Restore the sentences using the PARTICIPLES:

1.new, the man, over there, is, manager, standing, our

2.was, faced, the problem, complicated.

3.made up, over, he, a decision, everything, having thought,

4.the product, at a low price, people, being sold, attracted.

5.many, abroad, you, possibilities, working, have.

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