Contents Unit 1 Language 6 Unit 2 Agriculture 22 Unit 3 Arts 38 Unit 4 Psychology 54 Unit 5 History 70 Unit 6 Biology 86 Unit 7 So
Contents Unit 1 Language 6 Unit 2 Agriculture 22 Unit 3 Arts 38 Unit 4 Psychology 54 Unit 5 History 70 Unit 6 Biology 86 Unit 7 Sociology 102 Unit 8 Geology 118 Actual Test 134 Passage 1 Lascaux Cave Paintings 136 Passage 2 How Language Is Created 139 Passage 3 IQ vs. EQ 142 Passage 4 Acid Rain 145 Passage 5 Urbanization 148 Answer Keys 151