kseniia_30046

Основные биополимеры эуцита - белки, ДНК, РНК, полисахариды и липиды. Их строение и функции.

Какую роль играет испарение в водном балансе

1) Applying the method will give the results desired. Applying the method the technologists will get the results desired.
2) Dividing the unit of distance by a unit of time we get a unit of speed. Dividing a unit of distance by a unit of time gives a unit of speed.
3) Producing power is dependent mainly on the fuel and machinery available. Producing electricity by means of generators we get rather low, efficiency.

Раскройте скобки, поставив глаголы в правильную форму Present Perfect.
16. He … already … this experiment (to do). 17. He … just … the exam (pass). 18. … you ever … this book ( read)? 19. The article … just … … by the students ( translate). 20. The scientific conference … … yet (not/ start).

Вставьте since или for.
1.Where is Kate? Oh, she’s been to London … 1993. 2. I’ve known him … a long time. 3. We’ve been on holiday … three weeks. 4. He’s been a stu¬dent … four years. 5. She hasn’t been to work … July. 6. She has been ill … a fortnight. 7. They have been divorced … last year. 8. We have been very busy … Christmas. 9. My grandmother has been a pen¬sioner … five years. 10. He has been away … a month.

Раскройте скобки, употребляя глаголы в Present Simple, Past Simple или Future Simple.
1.… you (to have) time yesterday? — No, I … .
2.What you (to buy) at the shop yester¬day? — I (to buy) a book.
3.Yesterday my father (not to read) newspapers because he (to be) very busy. He (to read) newspapers tomorrow.
4.How often you (to visit) your relatives?
5.We (not to have) much money but we (to spend) a good time in London last month.
6.She always (to do) all the shopping in the family.
7.Two years ago they (to be) rich but now they (to be) poor.
8.You (to be) happy in your new flat?
9.When the soup (to be) ready?
10.I (to like) my parents, so I often (to do) what they (to want).
11.When (to be) your birthday?
12.You (to buy) this book next week?

Раскройте скобки и поставьте глаголы в нужном времени Present Simple, Past Simple, Future Simple.
1.I (know) his family.
2.… you (see) them yesterday?
3.He (not/have) a dog.
4.They (write) exercises at the lessons.
5.She (not/go) to school.
6.There (be) an interesting film on TV soon.
7.I (not/go) to the country on my holidays next year. Won’t
8.Last week we (be) at the library. was were been
9.Не often (bring) me flowers.
10.I (meet) Paul yesterday.
11.They (visit) us tomorrow.
12.What (you/do) next morning?
13.Mr Jones (buy) a car last month.
14.Mary (go) to the institute on foot every day.
15.It (be) hot soon.
16.The baby (not/sleep) well last week.
17.He never (drive) fast.
18.Lessy (live) in Paris in 1989.

Раскройте скобки и поставьте глаголы в нужном времени Present Simple, Past Simple, Future Simple.

1.I (not to go) to the Institute every day. I (not to go) to the Institute yes-terday. I (not to go) to the Institute tomorrow.
2.You (to watch) TV every day? You (to watch) TV yesterday? You (to watch) TV tomorrow?
3.When you (to leave) home for work every day? When you (to leave) home for work yesterday? When you (to leave) home for work tomorrow?

Составить молекулярные и ионные уравнения реакции Fe(OH)3 + NaOH

1. An hour ago they (to sing) songs. 2. Last month he (to buy) this rare book. 3. Yesterday she (to find) this book in the bookshop. 4. As a rule, my grandparents (to spend) their time in this green park. 5. The students usually (to learn) the words.6. Last year the students (to study) many subjects. 7. Last year she (to teach) many subjects. 8. My mother (to wash) windows of our flat twice a month. 9. Yesterday his brother (to write) a composition. 10. A week ago we (to catch) a mouse.

(There were) ...many students at the lecture?
(The students worked) ...in the laboratory yesterday?

A) мн. число сущ. b) глагол в 3-ем лице c) притяжательный падеж
1) The machine operates smoothly.
2) Bob’s hobby is collecting stamps.
3) Experiments were accurate.
4) We obtained excellent results.
5) This plant manufactures modern devices.

1) We (to have) a very good weather today.
2) I (to be) at home last Sunday.
3) He (to do) not know this material.
4) I (to be) at the Institute every day.
5) She (to have) three lectures yesterday.
6) My brother (to be) a student next autumn.
7) We (to do) it a week ago.
8) They (to have) a very busy day tomorrow.
9) They (to be) the schoolchildren last year.
10) Olga (to be) the best student in the group.

1) Give this book to (ей).
2) (Наша) family is rather large.
3) Meet (его) at 3 o’clock.
4) Have you seen (ее) today?
5) (Их) parents work at the Institute.
6) I met (их) in the street.
7) (Мое) hobby is music.
8) Give (ему) time to meet you.
9) (Мы) are glad to meet you.
10) Where is (твоя) group?

Металл массой 1.168 г вытесняет из кислоты 0.438 л водорода, измеренного при н. у. вычислить эквивалентную массу металла

Сколько может длиться судебное разбирательство по установлению земельного сервитута?

Вставить в предложение few, a few, little, a little

1. There is ...sunshine in the rainy countty. 2. She said she wanted to buy ...rice and bread and ...orange.

8. I take … sugar with my tea, it fattens me. 9. He told us … strange story. 10. They haven't got … conveniences in their country h ouse but they are going to get … . 11. I am afraid there isn't … coffee left. 12. Are there … letters for me? 13. There is … bread left. Go and buy a loaf.

Заменить слова в скобках личными местоимениями:
1. (Mary) is not a chemist. 2. (These men) are not engineers. 3. Is (that apple) red? 4. (Those stories) are very interesting. 5. (The pen and pencil) are blue. 6. (This table) is not new.

На кухне часто перегорает лампочка, именно в одном плафоне. Купила новую люстру, поменяла проводку на кухне. Прошло несколько дней - перегорела лампочка. И опять а том же самом плафоне. Что это может быть? В чем причина?