21世纪大学英语读写教程同步诊断性测试手册 下PDF电子书下载

第三册 1

Unit One 3

Unit Two 7

Unit Three 11

Unit Four 15

Unit Five 19

Unit Six 23

Unit Seven 27

Unit Eight 31

Unit Nine 35

Unit Ten 39

第四册 43

Unit One 45

Unit Two 49

Unit Three 53

Unit Four 57

Unit Five 61

Unit Six 65

Unit Seven 69

Unit Eight 73

Unit Nine 77

Unit Ten 81

参考答案 85