Предмет: Биология, автор: vlaskina338

Закончите предложения.

У цветковых растений половые клетки образуются в _______ Мужские-в_,а женские-в _.
Оплодотворение у цветковых и голосеменных растений происходит после процесса , заключающегося в переносе __________________.
Этот процесс осуществляется благодаря _

Ответы

Автор ответа: настасья181

Женские в цветке
Мужские в тычинках
После процесса опыления
В переносе пыльцы с тычинки на пестик

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PRESENT TENSES
1. On Saturday evenings she sometimes … out with friends to the party.
a) go b) goes c) has gone
2. … your family … to the country in summer?
a) does go b) do go c) is going
3. Hello Pete, where … you …?
a) do hurry b) are hurrying c) is hurrying
4. Her parents … already to the seaside.
a) Went b) go c) have gone
5. My mother … a cup of tea with her friend now.
a) has b) is having c) had
6. Pupils…to school in June.
a) are not going b) do not go c) have not gone
7. How long … he … in this office?
a) has been working b) does work c) is working
8. They … the flowers in front of the house yet.
a) do not water b) have not watered c) did not water
9. Bobby … in the library at the moment.
a) Works b) has worked c) is working
10. Look! They … a taxi.
a) Catch b) are catching c) caught
11. Why is the child crying? He … one more ice cream.
a) wants b) wanted c) is wanting
12. How long ... Mr. Kane ... his car?
a) is washing b) has been washing c) does wash
13. She ... German for four years already.
a) has been learning b) is learning c) learns
14. They … their son to ride a bike for 2 hours.
a) have been teaching b) teach c) are teaching
15. Ron should be careful. He … since 7 o’clock.
a) has been sunbathing b) is sunbathing c) sunbathes
16. The teacher … my essay for 10 minutes already.
a) Reads b) has been reading c) is reading
17. What … Henry …for in his bedroom now?
a) is looking b) was looking c) does look
18. When … Nigel usually … home from school?
a) do return b) does return c) has returned
19. My father often … a tasty fish soup on fire.
a) Cooks b) is cooking c) has cooked
20. The Priestleys … in Brington for 20 years already.
a) Lived b) live c) have been living
21. …. your friend always… hands before meals?
a) is washing b) does wash c) has washed
22. My mother … usually … tea without milk.
a) do not drink b) does not drink c) is not drinking
23. … your sister … you with washing up?
a) do help b) does help c) has been helping
24. I am at the baker’s now and I… a big cake.
a) Buy b) am buying c) bought
25. This pupil seldom … questions during the lessons.
a) Ask b) asks c) is asking
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27. His parents… a new computer this month.
a) buy b) have bought c) bought
28. They … their baby to the doctor today.
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29. I… never … about this pop group .
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