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Масса 400 г спокойного шара приводилась в движение со скоростью 2 кН со скоростью 15 м / с. Время растяжки
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Предмет:
Физика -
Автор:
porkchopcprx - 5 лет назад
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Ответы 1
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Скорость равна отношению расстояния ко времени Переведём в си20 км= 20 000 м15мин=900с Скорость= 20 000:900=~22м/с
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Автор:
claudio - 5 лет назад
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0
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1. Could you tell me your surname?
a) Would you like me to spell it?
b) Do you like my family name?
c) How do I say that?
2. This plant looks dead.
a) It's in the garden.
b) It only needs some water.
c) It's sleeping.
3. I hope it doesn't rain.
a) Of course not.
b) Will it be wer?
c) So do I.
4. Are you going to come inside soon?
a) For ever.
b) Not long.
c) In a minute.
5. Who gave you this book, Lucy?
a) I bought it.
b) For my birthday.
c) My uncle was.
6. Shall we go out for pizza tonight?
a) I know that.
b) It's very good.
c) I'm too tired.
7. Do you mind if I come too?
a) That's fine!
b) I'd like to.
c) I don't know if I can.
8. There's someone at the door.
a) Can I help you?
b) Well, go and answer it then.
c) He's busy at the moment.
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a) I'd like one.
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c) I'm not sure.
10. How long are you here for?
a) Since last week.
b) Ten days ago.
c) Till tomorrow.
11. Have you guys cnough to eat?
a) That's all right.
b) Is there any more nice?
c) It's not the night time.
12. That's my coat over there.
a) Will you take it off?
b) No, you haven't!
c) Here you are.
13. Let's go by bus.
a) The train was expensive.
b) We'll buy a ticket.
c) It'll take too long.
14. Do you know my brother Charlie?
a) Sorry, he's not here.
b) I don't think I do.
c) I know.
15. Would you like some ice in your drink or not?
a) I hope so.
b) Yes, I shall.
c) I don't mind.
16. I hope I haven't ......, you any trouble by changing the arrangements.
a) Put.
b) Caused.
c) Made.
d) Done.
17. The floor is wet: don't run or you might ....!
a) Sleep.
b) Spill.
c) Slip.
d) Spin.
18. When you come to my house, ..... your camera with you.
a) Take.
b) Show.
c) Fetch
d) Bring.
19. Paul arrived at the shop .... as the manager was closing for the day.
a) Even.
b) Just.
c) Still.
d) Right.
20. I would .... to stay at home and relax for change.
a) Rather.
b) Better.
c) Prefer.
d) Enjoy.
21. Is there ..... of food for everyone?
a) Adequate.
b) Enough.
c) Sufficient.
d) Plenty.
22. Lily says she's happy at school but she's .... complaining.
a) Rarely.
b) Sometimes.
c) Always.
d) Often.
23. ..... the step when you go in.
a) Consider.
b) Mind.
c) Attend.
d) Look.
24. .... stay the night if it's too difficult to get home.
a) At all costs.
b) By all means.
c) In all.
d) On the whole.
25. No... Hannah is happy when you think how many prizes she has won recently.
a) Surprise.
b) Problem.
c) Question
d) Wonder.-
Предмет:
Английский язык -
Автор:
lilibeth - 5 лет назад
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Ответов:
1 -
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