срочноооо!!!!!!!реакція рівння:амінокислота - дипептид - №32406648

срочноооо!!!!!!!
реакція рівння:
амінокислота - дипептид
- Предмет:
  Химия
- Автор:
  esther23
- 5 лет назад

Ответы 1

Ответ:
Реакції на фото
Объяснение:
На фото
- Автор:
  hanson
- 5 лет назад
- 0
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Test 5
1.1 knew that I ... her somewhere before.
a) saw c) would see
b) had seen d) has seen
2. When I finally found the house, I knocked at the door but ... the answer.
a) don't hear c) didn't hear
b) hasn't heard d) heard
3. I went out into the garden to fetch my bike, but found that someone ... it.
a) stole it c) has stolen
b) would steal d) had stolen
4. When I... for the keys, I remembered that I had left them at home.
a) looked c) had been looking
b) was looking d) look
5.1 have been working for the bank for a year already, but I ... to change my job.
a) decided c) has decided
b) have decided d) decide
6. They spoke so quickly that I ... what they were speaking about.
a) not understand c) didn't understand
b) don't understand d) hadn't understood
7. Yesterday our flight ... because of the fog.
a) cancelled c) had been cancelled
b) was cancelled d) has been cancelled
8.1 couldn't open the office door because someone ... it.
a) lock c) had locked
b)locked d)would lock
9. As soon as you ... me, I will contact you.
a) calls c) called
b) will call d) call
10.1 ... him since he started working here.
a) have never trusted c) trusted
b) had never trusted d) trust
11. Mary will be ready soon. She ... coffee at the moment.
a) has c) was having
b) have d) is having
12. If we ... late for the class, our teacher will be angry with us.
a) is c) will be
b) were d) are
13. We ... in the sunshine for about half an hour when I suddenly felt sick.
a) have been sitting c) sat
b) were sitting d) had been sitting
14. We were disappointed as the film was ... than we expected.
a) entertaining c) most entertaining
b) less entertaining d) entertaining
15. We usually ask our teacher to explain ... difficult problems to us.
a) the c) a
b) - d) this
16. Playing ... guitar is an interesting hobby.
a) - c) the
b) a d) mine
17. Our city is famous for ... beautiful ancient buildings.
a) its c) it's
b) it d) his
18. Her hair is long and fair. Everybody admires ... .
a) them c) they
b) it d) its
19. You are very good ... dealing with people.
a) in c) on
b) at d) about
20. Last summer our neighbours decided to drive to Scotland ... a short holiday.
a) at c) on
b) to d) for
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