Предмет: Математика, автор: max121202

помогите решить задачу номер 6

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Автор ответа: jekadva

90-80=10куб.м производительность второго насоса больше
100:10=10ч наполнял насос бассейн
10*80=800куб.м объем первого бассейна
10*90=900куб.м объем второго бассейна

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Exercise 6.

Fill the gaps with one of the words:

Calm, rarely, so hard, difficult, the situation, control, to wait

Every day you read in newspapers, books and magazines that it is important to avoid stress. Stress can kill, they say. Stay (1) ______. Be relaxed. Slow down. Don’t worry so much and don’t work (2) ______. Unfortunately, this is difficult. There are always money problems and family problems. Our cities are full of traffic and noise. Stressful situations seem to be everywhere.
When people are under stress they react in different ways. Some people find it (3) ______ to stay calm and often become tense. Little things, like a baby crying, can make them irritated. They get very annoyed if they have (4) ______ just a few minutes too long in a shop or a restaurant. These people are usually very moody. One minute they are fine and the next they can be really angry – absolutely furious. Other people seem to stay calm almost all the time, and (5) ______ get angry. For example, if they are caught in bad traffic, they don’t get frustrated. They sit calmly in their cars, telling themselves that there is nothing they can do about (6) _______. These people are not moody at all. They don’t change from moment to moment, but always seem to be in (7) ______ of their emotions.

Exercise 7.

Fill in the gaps with should/shouldn’t.

You ______ cross the street at red traffic lights.
You _______ tell her about it. It’s too depressing.
You _______ tell lies.
You _______ spend less money on clothes. They’re too expensive.
You _______ read it. That’s a fantastic book.

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