Вопрос по химии:

Зробіть необхідні обчислення і приготуйте розчин масою 250 г, у якому масова частка 

      натрій хлориду становить 1%.

Вопрос по математике:

Вопрос по информатике:

Вопрос по английскому языку:

ПОМОГИТЕ ПОЖАЛУЙСТА СРОЧНО, ОЧЕНЬ ПРОШУ 🙏🙏🙏🙏🙏

1. Choose the correct word.

1.    Brian is a very .................. boy and the best student in his class.

a. intelligent                   b. glance                            c. pipe

2.      I like beautiful……………… in our village.

a. public                       b. dictionary                c. landscapes

3.      He can speak three ….: English, German and French.

a. languages   b. knowledge   c. nationality

4.      There's аn interesting ............... with Вrаd Pitt in today's newspaper.

a. interview                  b. message                     c. weather

5.      The book is very …………

a. bored                     b. boring                   c. bore

6.       There is a ………….. of tea

a. cup                     b. packet                    c. can

2. Choose the correct form of the verb.

1. Mark ... his essay yet.

a) has not finished b) have finished c) finished

2. My brother ... with his friends every day.

a) go out b) is going out c) goes out

3. I'm afraid we ... to the party tomorrow.

a) don’t go b) will not go c) will go

4. She…… just …….. a holiday dinner.

a) cooks b) has cooked c) cooked

5. Look at the clouds! It…….. to snow.

a) go b) went c) is going

6. She….. the house at 7 this morning.

a) is leaving b) left c) leaves

7. I _____ a woman yesterday. I think I know her.

a) see b) seed c) saw

8. A lot of reporters _____ at the conference last week.

a) were b) was c) be

9. Last winter we ______ to Italy.

a) moved b) move c) did move

10. Neil Armstrong ... to the Moon many years ago.

a) has gone b) went c) had gone

11. What language he ... now ?

a) speaks b) is speaking c) speak

12. She….. the house at 7 this evening.

a) is leaving b) left c) leaves

13. What…… they ……now?

a) do….doing b) do…..do c) are.. doing

14. Kate……some food yesterday.

a) bought b) did bought c) buy

15. My neighbours ____ their house now.

a) have been building b) had build c) are building

16. Jane _____ the second part of the story already.

a) have translated b) translated c)has translated

17. Who _____ the radio?

a) invented b) invent c)have invented

18. I …. just …..my homework.

a) have finished b) have been finishing c) did finish

19. He _____ a lot of mistakes in his last test.

a) have made b) have been making c) made

20. Pupils of our class _____ in five years.

a) meet b) will meet c) met

21. I _____ to tapes when they came.

a) listened b) was listening c)were listening

22. Mark _____ to get a bigger suitcase.

a) wants b)have wanted c) want

23. We _____ film in the original now.

a) watch b)watched c)are watching

24. I ……. the piano so far.

a) have been playing b) have played c) play

3. Choose the correct form of the adjective.

1.    This film is the ………..film ever!    

a. most successful      b. more successful            c. successfullest

2.      He is ……….at playing the violin than his brother.     

a. better       b. good               c. best              

3.      Mary is ……….than Garth.                  

a. funniest      b. funnier              c. funny

4.      That is the ……..film I’ve seen in ages!     

a. worst   b. badest                   c. worse                     

5.       James is….. than Mike.     

a. tallest        b. taller           c. tall   

4. Read the text and put True (T) or False (F)

Nancy’s family is very small. She hasn’t got any brothers or sisters. Her granny lives with her, so all together there are four people in the family. They live in a big flat near the center of St. Petersburg. People often say that St. Petersburg is the Venice of the North. Both parents work in the Hermitage Museum and her granny takes care of her when they are at work. Her parents’ names are Sue and Sam. Dad is short with dark hair, and her mum is tall, beautiful woman with long fair hair. They are in their late thirties. At the weekends her family enjoys bike rides to the countryside.

1. Nancy has some brothers and sisters.

2. Granny looks after her.

3. Her parents are fifty years old.

4. Her family likes spending free time outdoors.

5. Both parents like visiting museums at the weekends. 

Вопрос по алгебре: