21世纪大学英语应用型自主练习 4PDF电子书下载

Unit 1 1

Part One Vocabulary and Structure 1

Part Two Translation 3

Part Three Reading Comprehension 4

Part Four Writing 11

Unit 2 12

Part One Vocabulary and Structure 12

Part Two Translation 14

Part Three Reading Comprehension 15

Part Four Writing 23

Unit 3 24

Part One Vocabulary and Structure 24

Part Two Translation 26

Part Three Reading Comprehension 27

Part Four Writing 35

Unit 4 36

Part One Vocabulary and Structure 36

Part Two Translation 38

Part Three Reading Comprehension 39

Part Four Writing 48

Unit 5 49

Part One Vocabulary and Structure 49

Part Two Translation 51

Part Three Reading Comprehension 52

Part Four Writing 60

Unit 6 61

Part One Vocabulary and Structure 61

Part Two Translation 63

Part Three Reading Comprehension 64

Part Four Writing 73

Unit 7 74

Part One Vocabulary and Structure 74

Part Two Translation 76

Part Three Reading Comprehension 77

Part Four Writing 87

Unit 8 88

Part One Vocabulary and Structure 88

Part Two Translation 90

Part Three Reading Comprehension 91

Part Four Writing 99

Keys 101