Предмет: Физика, автор: kiwwkuu

К какому виду колебаний относится барабан

Ответы

Автор ответа: misha6047

Объяснение:

Барабан относится к виду колебаний, называемых вращательными колебаниями. В этом виде колебаний ось системы вращается вокруг своей оси.

kiwwkuu: но у меня тут типо варианты свободные,вынужденные,затухающие

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1) What ________ nine o’clock last night? I tried to ring you, but there was no reply.

1 were you doing

2 did you do

3 had you done

2)They ________ a new cinema in the centre of town last year.

1 ’ve build

2 had built

3 built

3) Is Mark ________ to Greece this year?

1 going

2 gone

3 go

4) A ‘Where’s Jack?’

B ‘He ________ to the library. He’ll be back soon.’

1 been

2 ’s gone

3 going

5) My brother ________ in Peru for three months. He’s really enjoying himself.

1 is living

2 has been living

3 was living

6) Please drive more ________. We’re near a school.

1 slow

2 slower

3 slowly

7)Students ________ talk during the exam. It’s against the rules.

1 couldn’t

2 mustn’t

3 shouldn’t

8) I’d love to ________ speak better French – I’ve been studying the language for five years now.

1 be able

2 able to

3 be able to

9) I can’t go out ________ I finish my maths homework.

1 unless

2 if

3 when

10) If I ________ you, I wouldn’t go on holiday until after my exams.

1was

2 am

3 were

11) I ________ go out a lot at weekends, but now I stay at home.

1 use to

2 used to

3 used

12) There’s only a ________ milk left. Shall I buy some more?

1 few

2 much

3 little

13) Tom really believes that ________ women can’t drive very well!

1 (–)

2 the

3 a

14) I think ________ languages is very important.

1 studying

2 study

3 studies

15) James asked me if I ________ Liz that morning.

1 have seen

2 had seen

3 saw

16) The exams are next month. You ________ a timetable next week.

1 have been given

2 are given

3 ’ll be given

17) He’s the boy ________ brother is in my class.

1 who’s

2 that’s

3 whose

18) I would have gone to the party if I ________ you were there.

1 had known

2 would have known

3 known

19) You’re from Italy, ________?

1 are you

2 isn’t you

3 aren’t you

20) Can you tell me where ________?

1 is Park Hotel

2 Park Hotel is

3 be Park Hotel

21) They ________ the house if they’d known about the noisy neighbours.

1 wouldn’t have bought

2 hadn’t bought

3 wouldn’t buy

22) Helen told me she ________ to Rome the following weekend.

1’s travelling

2 was travelling

3 will travel

23) They ________ have a lot of money. They go on very exotic holidays every year.

1 must

2 may

3 might

24) Do you ________ get to work early every morning?

1 must n

2 have n

3 have to n

25) Unfortunately Jack doesn’t get ________ his parents very well.

1 on after

2 over with

3 on with

VOCABULARY

26) I don’t go running, but I ________ yoga twice a week.

1 go

2 play

3 do

27) I went out with Tessa last night and she paid ________ everything!

1 with

2 for

3 at

28) The coffee you made is too ________. How much sugar did you put in it?

1 fresh

2 strong

3 sweet

29) Their football ________ makes them train every day for four hours.

1 coach

2 fans

3 referee

30) Some of the students ________ in the exam, so everybody had to do it again.

1 revised

2 studied

3 cheated

31) Mark ________ because he stole some money from the office.

1 retired

2 got sacked

3 applied

32) I’ve put on so much weight – my jeans are very tight.

I need to start making ________ meals.

1 spicy

2 low-fat

3 frozen

33) The film is a ________ and it’s so funny, you won’t stop laughing.

1 thriller

2 horror

3 comedy

34) We must stop at the petrol ________ on our way to the supermarket.

1 station

2 rank

3 area

35) That horror film is ________! Don’t watch it late at night.

1 frustrating

2 annoying

3 terrifying

36) Sarah’s so ________! She loves going out and having fun.

1 boring

2 extrovert

3 mean

37) If you walk down that ________, you’ll come to the river.

1 path

2 terrace

3 building

38) My brother’s going on a school ________ to France this year.

1 travel

2 trip

3 flight

39) There are lots of ________ in the shop today. Everything is half-price.

1 sales

2 bargains

3 refunds

40) When Jack won some money on the lottery, he ________ it in his business.

1 earned

2 spent

3 invested

41) He’s quite tall and well-________, with short, brown hair.

1 built

2 build

3 bald

42) John’s very ________. He always tells the truth.

1 honest

2 hard-working

3 generous n

43) My parents will be very angry with me if I don’t ________ my exams.

1 win

2 succeed

3 pass

44) Don’t throw ________ your mobile phone! You can recycle it.

1 up

2 away

3 down

45) You won’t have to pay much ________ this year as you haven’t earned much money.

1 earnings

2 tax

2 credit

46) Sorry! I can’t speak now. Can I call you ________ later?

1 back

2 from

3 down

47) I wanted to buy some tickets for the play, but they’d sold ________.

1 out

2 in

3 up

48) I worked at the film company for four months and got lots of useful ________.

1 courses

2 qualifications

3 experience

49) My parents have moved to a ________ just outside the city.

1 suburb

2 centre

3 pedestrian

50) If you want to complain, you should speak to the ________.

1 manager

2 assistant

3 newsagent

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