Unit1

Passage One

Passage Two

Unit 2

Passage One

Passage Two

Unit 3

Passage One

Passage Two

Unit 4

Passage One

Passage T wo

Unit 5

Passage One

Passage Two

Unit 6

Passage One

Passage Two

Unit 7

Passage One

Passage Two

Unit 8

Passage One

Passage Two

Unit 9

Passage One

Passage Two

Unit 10

Passage One

Passage Two

Unit11

Passage One

Passage Two

Unit 12

Passage One

Passage Two

附录 生词和词组