Unit One Match the Headings 1
Exercise 1.A Giant Step for Artificial Enzymes 1
Exercise 2.Population Growth and Food Supply 3
Exercise 3.Behind the Lines in the Transplant Wars 6
Unit Two Sequencing 11
Exercise 1.Gold 11
Exercise 2.Hypnosis 13
Exercise 3.Technique of Difficult Intramedullary Nail Removal Utilizing the Midas Rex 16
Exercise 4.Coffee and Its Processing 19
Exercise 5.Metal Compounds Which Break the Rules 21
Unit Three Cloze 24
Exercise 1.Standards of Measurement 24
Exercise 2.The Function of Carbon Dioxide in the Atmosphere 25
Exercise 3.The Properties of Systems in the Human Body 26
Exercise 4.Analysis and Synthesis 27
Exercise 5.The Properties of Elements，Compounds and Mixtures 28
Exercise 6.The Structure of the Earth 30
Exercise 7.The Carbon Cycle 31
Exercise 8.Vitamins 32
Exercise 9.Thermostats 33
Exercise 10.Pressure 35
Exercise 11.Importance of Nonverbal Communication 36
Exercise 12.Space and Distance 37
Exercise 13.Humour 39
Exercise 14.The Theory of Emotion 40
Exercise 15.Physical Characteristics 41
Exercise 16.Attitude Functions 42
Exercise 17.Contemporary Forms of Discussion 44
Exercise 18.Functions of Leadership 45
Unit Four Multiple Choice 47
Exercise 47
The Guildford Four Taste Freedom after 15 Years in Prison 47
A Gross Miscarriage of Justice 49
Met Chief Defends His Role 51
Unit Five Summarising 54
Exercise 1.A Fusion Doughnut Full of Energy 54
Exercise 2.Jumping Genes Confound German Scientists 57
Exercise 3.Who's Crazy？ 60
Who Says Who Is Mad？ 63
Unit Six Scanning for Answers 65
Exercise 1.Will Antarctic Ozone Bite the Dust？ 65
Exercise 2.A Light Bulb That Lasts 67
Exercise 3.Elemental Clues to a Galaxy's Past 68
Exercise 4.Vital Role in World Airline Industry 72
Exercise 5.Tough Sensor Can Take the Heat 75
Exercise 6.Forgotten Feedback Disrupts the Greenhouse 77
Exercise 7.The Theology of Abortion 80
Exercise 8.Model Atmosphere Show Signs of Life 85
Exercise 1.Earthquakes 88
Unit Seven Integrated Exercises 88
Exercise 2.The Life Cycle of a City 90
Exercise 3.Computer Use in School Education 94
Exercise 4.Otosurgical Application of the Midas Rex Pneumatic Tool 98
Superspeed Drill Cuts Bone like Butter 101
Exercise 5.Darkness Made Visible 102
Exercise 6.Origins of a Plague 106
Exercise 7.Sick，or Just Quirky？ 111
Exercise 8.The Joy Ride Is Over 116
Unit Eight Practice Tests 121
Practice Test(Version One) 121
Practice Test(Version Two) 132
Answer Keys 143
Appendices 152
1.A Brief Introduction to the IELTS Test 152
2.IELTS Reading Answer Sheet 155