Только не пишите всякую ерунду, а иначе будет жалоба.

2-d
3-a
4-i
5-c
6-e
7-h
8-g

1.f

2.d

3.a

4.i

5.c

6.e

7.b

8.g

Вот готово

1.biological science studies all living organisms that inhabit our planet
2.even in the most remote times, people have tried to understand the world around them, and had a rather extensive knowledge about plants and animals
3.Modern biology has started to develop in the XVII century.
4. The microscope invented by Leeuwenhoek, allowed scientists
discover the world of microorganisms.
5. In the XVIII century, Carl Linnaeus laid the foundations of modern
classification of living things.
6. The laws of heredity and the principle of natural selection were
formulated in the XIX century.
7. In our day human knowledge in the field of biology grow very
quickly thanks to computer technology.

1. In these days there are so many biological
disciplines, that one person can not learn them all.
2. Students should learn the basics of the four main sections
Biology: zoology, botany, molecular biology, and genetics.
3. Genetics studies the laws of heredity and how to live
They are adapted to environmental conditions.
4. Graduates of biological faculties granted
many opportunities for career growth.
5. Medicine need talented scientists, which could lead
in gene therapy research fields, viral infections, etc..
6. Humanity is going through a period of climate change, and
the task of scientists - to predict the consequences of these processes.
7. Ecology studies the environment and the way in which
plants, animals and humans exist together and influence each other.

(1)

1. I'm tired. I have been working all day.

2. She has been studying English for five years.

3. I have been travelling a lot since you last saw me.

4. We have been talking about it for a week.

5. Nobody has been opening the windows since last weekend.

(2)

1. Kate has known this girl since she was younger.

2. We have been here for 10 minutes.

3. They haven't seen each other since last month.

4. Mr Smith hasn't had enough money for many years.

5. We haven't been in New York since last holidays.

(3)

1. It has been raining since yesterday.

2. Tom's father has been building his house for two years.

3. Peter and Kate have known each other for ten years.

4. I ahven't gone out for three days. I have been ill since Saturday.

5. My friend has been working on the project for two weeks.