Вопрос по биологии:

Для алкенов характерны реакции:
а) замещения
б) разложения
в) присоединения
г) обмена

Вопрос по английскому языку:

Rewrite the sentences in the passive.
1. Someone is repairing the garden fence.
2. Do they teach Latin at this school?
3. I don’t like people pointing at me.
4. She hit him on the head with a tennis racquet.
5. Michael has made the preparations.
6. Is Tim clearing the house?
7. Who built the Pyramids?
8. The boss is going to give us a pay rise.
9. I expect they will deliver my new car soon.
10 The police are questioning the suspects.
11. Did your next door neighbors see the thieves?
12. Paul remembers his teacher asking him to star in the school play.
13. A lot of children use computers nowadays.
14. Who smashed the kitchen window?
15. They won’t have completed the work by the end of the month.
16. The children will post the letters.
17. People make pancakes from flour, eggs and milk.
18. Had Helen closed the windows before she left the house?
19. Jill hasn’t done the housework yet.
20. They may not deliver the parcel today.

Вопрос по астрономии:

Вопрос по биологии:

Вопрос по биологии: