大学英语课堂限时阅读 第4卷PDF电子书下载

Unit One 1

Unit Two 9

Unit Three 15

Unit Four 21

Unit Five 27

Unit Six 33

Unit Seven 39

Unit Eight 49

Unit Nine 61

Unit Ten 69

Unit Eleven 79

Unit Twelve 85

Unit Thirteen 93

Unit Fourteen 101

Unit Fifteen 107

Key to Reading Comprehension 113