第1题: [单项选择]Questions 24—26 are based on the passage about human intelligence. You now have 15 seconds to read Questions 24—26.According to the passage, the average I. Q. is ______. A. 85 B. 100 C. 110 D. 125 参考答案:B 答案解析:[听力原文]24-26 There are two factors which determine an individual’s intelligence. The first is th