Какое количество теплоты (в МДж) выделится при конденсации 150 г спирта, взятого при температуре кипения, а затем охлаждении его до 18 °С.
Дж
Удельная теплоёмкость спирта 2.4•103
кг. ос. температура кипения спирта
78 °С, удельная теплота парообразования спирта 8,57•10°
Дж
Изобразите этот процесс на графике зависимости температуры от времени.​

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2. My family … … live in the country, but now we live in a big city.
3. … you … to like swimming?
4. She … never let me come back home late in the evening.
5. I … to … toy cars, but now I don't.
V. Correct whatever is wrong in the following.
1. I use to like drawing when I were a child.
2. What was you did yesterday at 9 p.m.?
3. Who do you look at? I look to that girl.
4. I didn't saw them yesterday evening, they were not home. Did you saw them?
5. Does he has some English books at his house?
6. He didn't obeyed their advices.
VI. Choose the correct alternative in each sentence.
1. Our visit to the museum was enjoyable although / despite some of its sections
were closed.
2. He's good looking, but on the other hand / although he's very selfish.
3. He really liked the film. However / even though he couldn't afford to buy the
video.
VII. Translate the following sentences into English.
1. Когда я вернулся домой, родители спали.
2. Что ты делал вчера весь вечер? Я тебе звонил, но никто не ответил на
звонок.
3. Он не любил работать, когда другие отдыхали.
4. Я разговаривал с другом, когда в класс зашел учитель.
5. Когда-то я жил в этом доме и любил этот двор. Мы, бывало, играли под
тем деревом.

Test 4
Variant I
I. Open the brackets using the correct form of the verbs in Present Perfect
or Past simple.
1. When Jill (finish) school?
2. –Are you tired? – Yes, a little. I (paint) the ceiling today.
3. We (not / see) Peter this week, but we (see) him a couple of weeks ago.
4. I can't find my umbrella. I think somebody (take) it by mistake.
5. … it (stop) raining yet? No it … .
6. … (see) the latest Arnold Schwarzenegger film?
II. The following sentences contain mistakes with the Past Simple and Past
Participle form of irregular verb. Find the mistakes and write sentences out
again correctly.
1. My mum and dad buyed me a bicycle. It costed them $ 50.
2. I've writed and story about a boy and a cat. Yesterday I've finished the last chapter.
3. The wind has blowed down all the trees in our street.
4. Our dog has bited me three times.
5. I spended all my pocket money on sweets.

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Protect the environment from industrial pollution .Keep the land, air and water clean.Keep our environment clean. All woods are home for animals. So behave as guests. Help nature. Protect it. Тhe Earth is our home.Don,t pollute it. When you hike, leave the place clean. Plant a tree to create home for birds, squirrels and other small animals.
it's not too late to solve these problems. We have the time, the money and even the technology to make our planet a better, cleaner and safer place. We can plant trees and create parks for endangered species. We can recycle litter. We can support green parties and put pressure on those in power. Together we can save the planet and all of us with it.