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, -s. [ z ] : shoe shoes; hen hens

[ s ] : bat bats. , s, ss, x, sh, ch, -es [ iz ]:match matches; leash leashes; box boxes.

-y, , -y i -es: lady ladies; sky skies

: (the Gatsbys) (stand-bys).

-y , -s, y :

bay bays

day days

way ways

-o -es:

potato potatoes

tomato tomatoes

hero heroes

: bamboos, embryos, folios, kangaroos, radios, studios, zoos, Eskimos, Filipines, kilos, photos, pros, pianos, concertos, dynamos, solos, tangos, tobaccos.

-f -fe, -v- -es:

thief thieves

wolf wolves

half halves

wife wives

: proofs, chiefs, safes, cliffs, gulfs, reefs

 

:

man men

woman women

tooth teeth

foot feet

goose geese

mouse mice

louse lice

child children

ox oxen

brother brethren (, )

:

sheep sheep

deer deer

series series

species species

corps corps

Chinese, Japanese, Portuguese, Swiss:

a Chinese a group of seven Chinese

()

, ( , ):

basis bases

crisis crises

phenomenon phenomena

stimulus stimuli

formula formulae

datum data

index indices

bureau bureaux

:

formula formulas / formulae

focus focuses / foci

, .

 

:

housewives, schoolchildren

man / woman :

women-writers,

-man -men:

policeman policemen

, :

man-of-war men-of-war

mother-in-law mothers-in-law

gas-mask gas-masks

-, -s :

forget-me-nots, drop-outs, go-betweens

,

, , , :

gold, silver, oil, music, the Thames

, :

advice (/), information (/), progress (/), knowledge (/)

, dozen (), score (), couple, pair (), stone ( ), head ( ) , , , :

four dozen eggs, two score tables

,

, :

scores of people, dozens of boxes

,

news, works (), barracks -ics , :

This news is horrible.

.

Physics studies matter and motion.

.

money hair ( ) , , :

her soft hair, this money

,

,

, (scissors, scales, spectacles, trousers), (the Netherlands, the Highlands, the East Indies) (customs, manners, outskirts, annals).

, : goods (/), contents (), clothes (), proceeds (/), wages (), riches (/) .

people :

People are so mean here.

.

, .

UNO helps all peoples of the world.

.

 

1. : month, horse, flower, potato, book, plan, bridge, match, nose, bus, box, army, carrot, watch, onion, shop, address, day, fly, hotel, lady, key, gate, clock, office, city.

 

2. , : friend, cinema, bottle, lake, bus, glass, bed, boy, hat, cap, tape, shop, brush, bench, box, disease, theory, result, technique, function, method, purpose, field. [s] [z] [iz].

 

3. 6 , O: Photoes, dodoes, zeroes, tomatoes, potatos, kiloes, buffaloes, videos, pianoes, mosquitoes, stereoes, radios, studios, echos, heroes.

 

4. , O.

Cargo, piano, video, zoo, potato, Eskimo, hero, dodo, disco, cockatoo, tomato, volcano, mosquito, studio, photo, dingo, kangaroo.

 

5. , F/-FE: Shelf, calf, grief, cliff, life, knife, proof, reef, sheaf, wife, safe, gulf, self, elf, leaf, loaf, wolf, chief.

 

6. . Phenomenon, crisis, stimulus, index, antenna, formula, datum, nucleus, criterion, analysis, apparatus, basis, appendix, tableau, radius, hypothesis, axis, genus, vertebra.

 

7. . Boy-messenger, sister-in-law, text-book, pocket-knife, statesman, fellow-worker, merry-go-round, man-servant, hotel-keeper, forget-me-not, lady-bird, woman-doctor, looker-on, editor-in-chief.

 

8. :

1.The data are in the review. 2. The table of contents is on page 6. 3. The aim of the book was to cover the problem. 4. The methods were modern. 5. The diseases were internal.

 

9. ( .., .. , . 9, . 31) -, . :

Bacterium/ Bacteria show a number of different shapes and forms.

Bacterium/ Bacteria have far fewer genes than animals and plants.

The nucleus/ nuclei of radioactive atoms emit alpha or beta rays.

Each villus/ villi has a network of capillaries.

Each bacterial flagellum/ flagella consists of a single tube-like filament.

The pneumococcus/ pneumococci has its special effect on the lungs.

The seven cervical vertebra/ vertebrae are the smallest in the vertebral column.

Small embolus/ emboli plug pulmonary arteries.

Like the streptococci, some staphylococcus/ staphylococci secrete enzymes and toxins.

Reticulum/reticula is a small network of tubules, vesicles, or sacs in cells.

Paralysis/ paralyses results from damage to parts of the nervous system.

 





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