Practice Three
Exercise 1 1. T 2. T 3. T 4. F 5. F 6. T Exercise 2 1. D 2 . A 3. B 4. A 5. B
Practice Four
Exercise 1 1. F 2. F 3. T 4. T 5. F
Exercise 2
1. reflects/ descriptions 2. parents’ attitude 3 suggest/ act 4. raising their family/ supporting their husbands
5. used to be/ share these responsibilities
Part Four Testing Yourself Section 1
1. C 2 . A 3. D 4. C 5. D
Section II
1. T 2 . F 3. F 4. F 5. F 6. T
Section III
1. aggressive 2. taking risks 3. crimes 4. biology
5. function 6. roles 7. unsatisfactory 8. weaker
9. heart attack 10. rate of survival 11. vary 12. be infected with 13. average lifespan 14. do exist
15. deny 16. behave Unit 4 Part One
Exercise 2 2.4.7.8.10.12 Exercise 3
1. get my hands 2. put an end 3. must have known 4.can’t afford 5. come up with 6. make it sticky 7. stuck to the floor 8. the way
Part Two Listening I
Exercise 1 1. F 2 . T 3. F 4. F 5.T Exercise 2 1. C 2 . B 3. D 4. A 5. C
Listening II
Exercise 1 1. F 2. F 3. T 4. T 5. F 6. F Exercise 2
1. race 2. proceed 3. wander 4. proficient 5. original
Part Three More Listening Practice One Exercise 1 2. 1.3 Exercise 2
1. China/ 7,900 BC 2. stronger/ harden 3. 3100 BC / quickly/ shapes 4. art
Practice Two Exercise 1
1. partly underground 2. living 3. digging into the ground 4. wood / grass/ waterproof Exercise 2
1. C 2. D 3. A 4. B 5. D
Practice Three
Exercise 1
1. A 2. C 3. D 4. C 5. D Exercise 2
1. 35/ thirty-five 2. dot/ broad white 3. easy / studied 4. every possible angle/ obvious
Practice Four Exercise 1
1. D 2. A 3. A 4. F 5. C 6. E 7.A 8. B 9. B Exercise 2
1. 1762 2. 1888 3. 1890 4. 1977 5. 1514/1557 6. 1492/ 1903 7. 1925/ 1868
Part Four Testing Yourself Section 1
1. bicycle 2. rips 3. overnight 4. analyzed 5. release 6. cross 7. weekly 8. thorough 9. show 10. bicycles Section II
1. B 2. B 3. C 4. A 5. A Section III
1. T 2. T 3. F 4. F 5. T 6. T 7. T 8. F
