大学英语扩展阅读教程 2PDF电子书下载

第一部分 技巧导航 3

一、阅读过程中的猜词技巧 3

1．利用构词法知识猜测词义 3

1）利用复合法（composition）猜测词义 3

2）利用转化法（conversion）猜测词义 3

3）利用派生法（derivation）猜测词义 4

4）利用逆成法（back formation）猜测词义 4

2．利用文章中的解释说明猜测词义 4

1）根据定义猜测词义 4

2）根据同位语猜测词义 5

3）根据定语从句猜测词义 5

4）根据重述猜测词义 5

5）根据举例猜测词义 5

3．利用词与词之间的语义关系猜测词义 6

1）根据同义关系猜测词义 6

2）根据反义关系猜测词义 6

3）根据上下义关系猜测词义 6

4．利用语篇结构猜测词义 6

1）根据一整段猜测词义 6

2）根据整篇猜测词义 7

5．利用状语从句猜测词义 7

6．利用标点符号猜测词义 7

7．利用中文提示猜测词义 8

8．利用常识和经验猜测词义 8

二、联想思维——记忆英语单词的有效方法 10

1．联想思维法的科学依据 10

2．如何利用联想思维法记忆单词 10

3．恒心和毅力是记忆单词的关键 12

三、相关资料：图式理论 13

第二部分 篇章阅读 19

UNIT 1 19

Text A　Microchip,Testament to the Immense Power of Tiny Things 19

Text B　Growth of Wireless Internet Opens New Path for Thieves 22

Text C　Artificial Intelligence 26

UNIT 2 30

Text A　Unidentified Flying Object 30

Text B　Satellites Free the Mobile Phone 33

Text C　For the First Time,a Spacecraft Impacts with a Comet 37

UNIT 3 41

Text A　Technology to Meld Chips into Humans Draws Closer 41

Text B　Ultralight Computers 44

Text C　Translation Tools 48

UNIT 4 51

Text A　Bunker Mentality 51

Text B　Team Claims Success with Rocket Launch 54

Text C　Fee-based Satellite Radio 58

UNIT 5 63

Text A　Researchers Find a Genetic Link to Obesity 63

Text B　Tobacco Helps Cancer Cells Evade Destruction 66

Text C　Feel Blue?Go Green 69

UNIT 6 73

Text A　Live or Die 73

Text B　Genetically Modified Foods—Feed the World? 76

Text C　Animals Laughed Long Before Humans,Study Says 80

UNIT 7 84

Text A　SARS Virus No Longer Such a Mystery 84

Text B　Study Says Breast-Cancer Treatments Increase Survival Rates 87

Text C　The Inanimate Environment 90

UNIT 8 94

Text A　Perspective on Human Behavior 94

Text B　More Attention on Man's Health Care 97

Text C　A New Chip Design May Lead to New Sight 100

UNIT 9 104

Text A　Superpills with a One-two Punch 104

Text B　Diet Pills:Fen-phen and Redux 107

Text C　Exercise Myths 111

UNIT 10 114

Text A　Depression Study Finds Hope in Different Treatments,at Least for Some People 114

Text B　While Other Threats Make the News,Heat May Be Nature's Deadliest Killer 117

Text C　How Humans Are These Creatures? 121

UNIT 11 126

Text A　Dead Mixer=Alcohol+Tobacco 126

Text B　Health Regulation for Animals 129

Text C　Gene and Giving up Smoking 133

UNIT 12 136

Text A　Is the Earth Getting Hotter? 136

Text B　Weather:Tornado Science,in a Land with Plenty of Experience 139

Text C　Phone Firms Tapping into Rural Areas 144

UNIT 13 148

Text A　World No Tobacco Day:A Chance for Smokers to Give Their Bodies a Cigarette Break 148

Text B Treatment Developed for Patients with Medically Unexplained Symptoms 151

Text C　Food for Thought:How Vitamins(Once Spelled"Vitamines")Are Important to Health 155

UNIT 14 161

Text A　Clean Energy 161

Text B　Wearable Computers You Can Slip into 164

Text C　Skiers Take to Man-made Slopes 168

UNIT 15 171

Text A　What Happens to Bees in Winter? 171

Text B　A Little Red-eyed Frog Could Hold the Key to Ending the Scourge of AIDS 174

Text C　Animals"Speak"Many Strange Languages 178

UNIT 16 181

Text A　New Planetary Puzzles 181

Text B　Your Brain on Drugs 184

Text C　The Race against Avian Flu 188

Key 192

References 206