国家级大学英语试题库学生练习与自测 3PDF电子书下载

Unit One 1

Unit Two 11

Unit Three 21

Unit Four 31

Unit Five 41

Test Yourself Paper One 51

Test Yourself Paper Two 63

Unit Six 74

Unit Seven 84

Unit Eight 94

Unit Nine 104

Unit Ten 114

Test Yourself Paper Three 124

Test Yourself Paper Four 135

Tapeseripts 146

Key 211