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Покоящаяся хоккейная шайба массой 160г под действием некоторой силы может приобрести скорость 30 м/с за 0,1 с. Определите модуль этой силы.
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Предмет:
Математика -
Автор:
mayzg2p - 6 лет назад
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Ответы 2
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Грузовик в первый день 600км , а во второй день 200км. Весь путь занял 8 часов.Сколько часов в день проезжал грузовик, что бы пройти этот же путь,если он двигается со скоростью 5км в час?Помогите прошуууу!!!
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Предмет:
Математика -
Автор:
gallegos - 6 лет назад
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Ответов:
2 -
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Choose the correct answer.
1. Tony is…… He doesn’t feel comfortable with people.
a. easy-going b. sociable c. shy
2. I am very good ……English.
a. at b. for c. about
3. John works Monday to Friday, 9 to 5. It’s a ……..job.
a. salary b. overtime c. full-time
4. Dave is …….He must go on a diet.
a. fit b. overweight c. responsible
5. ……..is a shaking of the ground
a. earthquake b. tornado c. hurricane
6. Big factories are responsible for water ……….
a. collection b. pollution c. Avalanche.
7. Computers had a huge .........on the 20th century.
a. impact b. download c. connect
8. You should play……..than yesterday.
a. the most carefully b. more carefully c. carefullier
9. He swims ……..than the Canadian sportsman.
a. faster b. the fastest c. fast
10. “………we dance, Mr Clark?” asked Kate.
a. Shall b. Must c. Need
11.You …. do all your home work today, you can finish it tomorrow.
a. couldn’t b. mustn’t c. needn’t
12.When Sally was a child, she…..drink three glasses of milk per day.
a. be used to b .used to c. get used to
13. …..Canada is in ……..North America
a. The/the b. The/- c. -/the
14.“I enjoy travelling a lot,” said Jane.
a. Jane said that she enjoys travelling a lot.
b. Jane said that she enjoyed travelling a lot.
c. Jane said that she enjoy travelling a lot .
15. Paul heard some news which …. quite upsetting.
a. was b. were c. have been
Fill in the correct form of the verb.
16.Sheila….(go) to the bazaar. She’ll be back in an hour.
17.I…..(not sleep) at nine o’clock yesterday.
18…..you ( ever/ be)….abroad?
19.Jane…. (work) at her dad’s office every Saturday.
20. The children…..( play) football yesterday.
21. I….. (wait) for him for an hour and I’m starting to lose my patience
22.How much…..Helen (spend) on her English books?
23. We … (visit) the library tonight. Why don’t you join us?
24.The new theatre….( open) by the mayor tomorrow.
25. If you study hard, you…… ( pass) the exam.
Fill in the missing words. There are three extra answers.
( extension, home-cooked, break the ice, nourishing, shrugged, acquaintances, demand, grapevine)
26 I’m sensitive and shy. I can never find the right thing to say to ….
27. I only met Mike two weeks ago at a party. We’re not really friends, we’re just …..
28. Milk and other dairy products are very … for young children.
29. When we complained to the waiter about the noisy people at the next table, he just …. his shoulders.
30.Teens these days use their mobiles as an…..of themselves.
Complete the sentences with the correct form of the words in bold.
31.That woman across the street is very…….. ATTRACT
32. Derek refused to……. for his rude behavior. APOLOGY
33. ……… people live in the streets. HOME
34. Helen is a very……..person. She often travels alone. DEPENDENT
35. Celebrities have become involved in the…….of the endangered species. PROTECT-
Предмет:
Английский язык -
Автор:
tianacuh2 - 6 лет назад
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Ответов:
1 -
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m(розч)=200г
w1(C12H22O11)=20%
m2(розч)=100 г
w2(C12H22011)=5%
w3 (C12H22011)-?
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Предмет:
Химия -
Автор:
meggiehumphrey - 6 лет назад
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Ответов:
1 -
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