Упражнения по английскому

Нужно выполнить упражнения из книги О.М. Ільченко "Англійська для науковців семантика. прагматика. переклад." с Unit 1 по Unit 4. 

Unit 1 7
Science and Scientists 8
Essential Academic Vocabulary 16
The Scientific and Popular Senses 17
Culture Flavored Words 18
Some Ways of Quoting 19
Basic Intonation Patterns & Pronunciation Tips 22
Unit 2 29
The Importance of Science 30
Expressing Quantity 32
Writing Scientific Abstracts 38
Tips for Dealing with Reading Comprehension Tasks 43
Unit 3 49
Science and Society 50
Anglo-American Intellectual Style: Linguistic Devices of
Linearity and Clarification 53
Politeness 56
Compression 67
Visuals 75
Unit 4 85
Hackers 86
Comparing and Contrasting in English 89
Conveying Additional Information 97
Negation in English 100