普通高等教育“十二五”规划教材 21世纪大学英语阶梯阅读教程 第1册PDF电子书下载

Unit 1 1

Passage 1 A Good Menu 1

Passage 2 Sound 3

Passage 3 Don't Be Afraid to Trust 5

Passage 4 Small Schools Rising 7

Unit 2 11

Passage 1 Gorilla 11

Passage 2 What's the Greatest Wonder in the World？ 13

Passage 3 Heart of Gold…Olympians Find Ways to Give to Others 16

Passage 4 Why Integrity Matters 18

Unit 3 23

Passage 1 Animals Can Sense Natural Disasters 23

Passage 2 Water Consumption in Shanghai 26

Passage 3 British Pub Customs 29

Passage 4 British Cuisine：The Best ofOld and New 31

Unit 4 36

Passage 1 The Uniqueness of Finger-Prints 36

Passage 2 The Man on the Moon 38

Passage 3 The Generation Gap 41

Passage 4 A Grassroots Remedy 43

Unit 5 47

Passage 1 Protecting Copyright 47

Passage 2 The Earth 49

Passage 3 A Good Heart to Lean on 52

Passage 4 Caught in the Web 54

Unit 6 59

Passage 1 Overhead Bridges 59

Passage 2 The Giant Squid in the Deep Ocean 62

Passage 3 Horrible Interview Experience 64

Passage 4 Colleges Taking Another Look at the Value of Merit-Based Aid 66

Unit 7 71

Passage 1 Credit-Card（信用卡）Fraud Online 71

Passage 2 Contact Among People 74

Passage 3 Successful English Learnings 77

Passage 4 How Do You See Diversity？ 79

Unit 8 84

Passage 1 Tourism 84

Passage 2 On the President's Program 87

Passage 3 The Hardest Day 90

Passage 4 That's Enough，Kids 92

Unit 9 97

Passage 1 Sleep Learning 97

Passage 2 Downswing in Ridership in America 99

Passage 3 Is Crime All Around Us？ 102

Passage 4 Appropriate Media for the Advertisement 104

Unit 10 109

Passage 1 A Plan for Exploring Mars 109

Passage 2 The Development of Cities 112

Passage 3 How Can Bright Ideas Come into Being？ 114

Passage 4 Universities Branch Out 116

APPENDIX 121