大学英语四级考试阅读理解和完形填空模拟试题(二)

Part I Reading ComprehensionDirections:There are three passages in this part.Each passage is followed by some questions orunfinished statements.For each of them there are four choices marked A),B),C)and D).You shoulddecide on the best choice.Passage 1Questions 1 to 5 are based on the following passage:Overcoming early-morning drowsiness(困倦)is a problem faced by many people who begin