Unit One Match the Headings Exercise 1.A Giant Step for Artificial Enzymes Exercise 2.Population Growth and Food Supply Exercise 3.More Than Sympathy Exercise 4.Energy from Biological Sources Exercise 5.Sleeping Secrets Exercise 6.It Never Rains Exercise 7.Farmers Harvest the Wind Exercise 8.Germs and Sickness in a Shrinking World Exercise 9.On the Wing Unit Two Cloze Exercise 1.Standards of Measurement Exercise 2.The Function of Carbon Dioxide in the Atmosphere Exercise 3.The Properties of Systems in the Human Bodv Exercise 4.Analysis and Synthesis Exercise 5.The Properties of Elements.Compounds and Mixtures Exercise 6.The Structure of the Earth Exercise 7.The Carbon Cycle Exercise 8.Vitamins Exercise 9.Thermostats Exercise 10.Pressure Exercise 11.Importance of Nonverbal Communication Exercise 12.Space and Distance Exercise 13.Humour Exercise 14.The Theory of Emotion Exercise 15.Physical Characteristics Exercise 16.Attitude Functions Exercise 17.Contemporary Forms of Discussion Exercise 18.Functions of Leadership Unit There Cloze Unit Four Multiple Choice Unit five Summarizing Unit Six Yes/No/Not Given Unit Seven Scanning for Answers Unit Eingt Integrated Exercises Unit Nine Practice Tests Answer Key Appendices
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