6级词汇强化阅读 3PDF电子书下载

Tourism and Culture 1

A Lovehate Relationship between Americans and Business 6

Universities—Solutions to Social Problems 11

Death Penalty in America 17

Science and Technology 21

Purpose of Insurance 25

What Norman Conquest Brought to England? 29

Depression and Mental Disorder 33

Gamble on Football Pools 37

Insect Problem 40

How a City Survive? 44

Aerosols Cause the Earth to cool 48

A New America's Banking Legislation 52

Schooling of Fish 56

Imperialism in Britain 59

TV,TV Everywhere 62

A Trip to Southern Ireland 66

Redistribution of Income 69

Is War Inevitable? 72

Engaged or Not? 76

Don't Ignore the Influence of Parents 79

Unemployment 83

A Prehistorian—Louis Leakey 86

Corruption of English 90

Second-Class Citizens—Customers 95

The Future Is Purchased by the Present 99

Pronounce a Language 103

Work and Life 107

Photosynthesis 113

Lasers 117

The Control of Population 121

Animal Senses 125

Concrete in Roman Architecture 129

Radio Telescopes 133

The Spread of Infection 138

A Chernobl-Proof Reactor 145

Adolf Hitler 151

The Image of Nature in Geomancy 169

Is Canada Neurotic? 179

Three Kinds of Symbols 188

Awareness of the Plight of the Old 197

Great Age of Conformity 200

Environment Conditions Technology 205

Acquisition of Scientific Literacy 208

A Planner or a "Plannee"? 211

Family Decision Making 215

World Water Resource 219

The Bombing—an Atrocity 222

Lewis Hine and Working Children 226

Conquests of Diseases 230

Do UFOs Exist? 234

Kodak—Little Black Box 239

Educational Efforts on Substance Abuse 243

Medium for Information 247

Plantation South 251

Archaeology Reveals Past 256

A Warning from Nature? 260

The El Ni？o Effect 266

Art of Survival 269

Keys to the Exercise 275