Угол преломления луча света на границу раздела воздух-стекло равен 300 . При этом угол между падающим и отраженным лучами равен 800 . Определить показатель преломления стекла У МЕНЯ ИДЁТ СОР

1.Cheetahs are faster than dogs.

2. My best friend is funnier than my brother.

3. Travelling by bus is worse than travelling by car.

4. Books are heavier than feathers.

5. Studying is better doing than nothing.

6. Speaking English is more difficult than reading English.

7. Fashion designers are more creative than doctors.

8. Horror movies are more exciting than romantic movie.

9. Children are happier than adults.

10. Egypt is sunnier Germany.

Объяснение:

Если в слове только один слог, то мы приписываем "er". fast->faster

Если слово заканчивается на "y", то мы в конце "y" заменяем на "i" и приписываем "er". heavy->heavier

Если в слове больше 1-го слога и не заканчивается на "y", то до этого слово пишем "more". exciting-> more exciting

Задание 1

неисчисляемые:

wool,air, assistance, paper, bread, darkness, water, cheese, happiness, glass, sand, music, friendship, quickness, tobacco, copper, coffee, money, ink, meat, silver, timber, ice, chalk, heat, milk, butter, speed.

исчисляемые:

an airship, a word, an aviation, an assistant, a paper ( газета ), an hour, a sea, an event, a glass (стакан), a hero, a piano, a friend, a cigarette, an armchair, a ship, a coin, a university, a banknote, a watch, a tree ,an idea, a furniture, a cow, a horse, a machine, an equipment , an obligation, an instrument, an umbrella.

Задание 2

places, libraries, languages, dresses, flies, watches, clocks, countries, eyes, buses, bushes, parties, rays, thieves, companies, Negroes, masses, leaves, wolves, glasses, keys, boxes, halves, lives, days, plays, factories, cities, opportunities, colonies, roofs, months, journeys, shelves, heroes;

b) men, women, teeth, feet, geese, children, mice, oxen;

c) postmen, sons-in-law, editors-in-chief, fishermen, schoolgirls, sisters-in-law, text-books, pocket- knives, passers-by, statesmen;