даю 25б. 2. Put the sentences into the negative form. Use short forms (doesn't, don't, isn't,...)
Example: I like reading. - I don't like reading.
1. They wash the car. Theythe car.
2. I get up early. I early.
3. They walk to school. They to school.
4. Jim eats an orange. Jim an orange.
5. My sister listens to her new CD. My sister to her new CD.
6. Ann cleans her shoes. Ann her shoes.
7. Henry climbs the tree. Henry the tree.
8. They meet at the cinema. They at the cinema.
9. We like pizza. We pizza.
10. Gary and Peter go to the party. Gary and Peter to the party.
11. My parents work in a restaurant. My parents in a restaurant.
12. We like our uncle. We our uncle.
13. She sings her favourite song. She her mfavourite song.
14. Bill reads a book. Bill a book.
15. Mary goes to the zoo. Mary to the zoo.
Work of the Human Heart
The human heart contracts from the first moment of life until the last one. The contractions of the heart pump the blood through the arteries to all the parts of the body.
Physiologists have determined that in the adult the heart makes from 60 to 72 beats per minute. In children the rate of heartbeat is much higher. Research work has determined that rate of heartbeat increases depending on different emotions.
Each beat of the heart is followed by a period of rest Each contraction and a period of rest compose a cardiac cycle.
Each cardiac cycle consists of three phases:the first phase of short contraction-the atrial systole. the second phase of a more prolonged contraction—the ventricular systole. The period of rest is called the diastole. research work of many physiologists has estimated the role of the ventricle as the main pump of the human heart
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