English for chemists

Lesson 9
ГРАММАТИКА: Выражение вероятности действия при помощи модаль­ ных глаголов.

Section I
Ex. 1. Pronounce the following words:

e

g + e, i, У

9. 
   go, green, agree, flag, game, garden, glass, good, great, grey, grow, gram, gas, group, organic, negative
   

[d3l	agent, gentle, g/ant, age,	change,	general,
	arrange, genius, hydrogen,	halogen,	oxygen,

large, gymnasium, gyration, gypsum

but: _[g]
ng fo]
nk, nc [Ok]
qu [k\v]
give, get, girl, together
long, strong, among, young, interesting, coating, according, prolong
pink, drink, think, thank, distinct
question, quick, quiet, quarter, quite, quartz, require, liquid, equipment, quantity

que M u’nique, tcch'nique

b) chlorine [kb:'nn], hydrochloric ['haidrao'klonk], iodatc [’aiddeit], iodine [’ai9di:n], alcohol [’aslkohol], halogen [ЪжЫзэп], saltpeter [’so:lt.pi:to], violet
['vaiolit], triiodide [trafaiodaid] i
Ex. 2. Read the following words and say, what Russian words help to understand their meaning.
halogen, unique, molcculc, chlorine, manufacture, electrolysis, chloride, bromine, cficct, agent, iodine, ion, iodatc, conccntratc, lustre, violet, chloroform, indicate, alcohol

Ex. 3. Pay attention to the following way оГ word-building:

1. 
   основа слова + -ine [i:n] —»существительное, глагол chlorinc, bromine, iodine, hydrazine, examine, determine
   

основа слова + -ine [atn] —> ирнлагателыюе crystalline, alkaline

dis- + основа слова —»придает отрицательное значение, указы­ вает на лишение, отделение, разделение
discover, dissolve, disappear, disperse, disadvantage, disagreeable, disintegrate

2. 
   Приставки. o({означающие количество
   

mon-	[mon]	‘one’	monoxide
uni-	Uu:n0		univalent
di-	[dai]	‘two’	dioxide
bi-	(bai)		bicarbonate
tri-	(traij	‘three’	triiodidc
tetra-	[tctro]	•four’	tetrachloride
pent-	IpentJ	‘five’	pentoxidc
per-	1рэ]	‘more’	perchloric (acid)
multi-	ImAltiJ	‘many’	multicoloured

Ex. 4. Determ ine w hat p art of speech the following words belong to and find their m eaning in a dictionary.

undergo, touch upon, irritate, volatile, disagreeable, saltpeter, lustre, pain, sore, spill, skin, throat, Chile, tincturc, hydrochloric, treat with, brine, gentle, keep
Ex. S. Define the m eaning of the italicized words.

1.