Какое количество теплоты выделят 15кг воды, взятой при температуре 80 градусов, при охлаждении до температуры 20 градусов? - №24776843

Какое количество теплоты выделят 15кг воды, взятой при температуре 80 градусов, при охлаждении до температуры 20 градусов?
- Предмет:
  Физика
- Автор:
  fortunato
- 4 года назад

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- Автор:
  coyjwdb
- 4 года назад
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I. Choose the right words to complete the sentences.

Bob and Bill can’t agree. Their opinions are … .

a) different b) various.

2. Their house is … a lovely green park.

a)besides b) beside
3. Trains were …. long before cars.

a) invented b) discovered

4. John looked … and unhappy.

a) sad b) sadly

5. He met her a … of years ago.

a) couple b) pair

6. My sister … go to Edinburgh than to Glasgow.

a) had better b) would rather

7. Driving at such a speed is really … .

a) silly b) foolish

8. Many species of animals have now … from the face of the earth.

a) disappeared b) vanished

9. Little John has … the poem well.

a) learnt b) studied

10. Better do things … than never.

a) late b) lately

11. … I’ll travel round the world.

a) Maybe b) May be

12. Are you looking for your watch? … … on your wrist.

a) They are b) It is

13. The price of the strawberries was … so we bought a lot.

a) funny b) ridiculous

14. … colour are her eyes?

a) what b) which

15. How do … communicate?

a) dumb b) the dumb

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a) must b) have to

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a) may b) might

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a) managed to b) could

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a) can b) could

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a) must b) had to

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a) can b) could

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James dropped … of the game at the very beginning.

a) in b) off c) on d) out

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a) off b) on c) out d)in

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a) down b) in c) out d) over

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a) down b) away c) into d) out

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