Unit One Language:A Reflection of Life in the U.S.A

Unit Two Search and Rescue at Grand Canyon

Unit Three The Trial That Rocked the World

Unit Four How Capital Punishment Affirms Life

Unit Five Opportunity or Challenge?——on WTO

Unit Six The Paradox of Cloning

Unit Seven I Have a Dream

Unit Eight What s Your Emotional IQ?

Unit Nine Is America Falling Apart?

Unit Ten University Days

Unit Eleven Why Don t We Complain?

Unit Twelve Scoul Searching

Unit Thirteen Guidance for the Clinical Evaluation of Weight-Control Drugs

Unit Fourteen Why I Write

Unit Fifteen Humans Should Explore Space

Unit Sixteen Vanishing Before Our Eyes

Unit Seventeen No Signposts in the Sea

Unit Eighteen Remarkable Margaret Thatcher

Unit Nineteen Death and Dignity:A Case of Individualized Decision Making

Unit Twenty Of the dignity or Meanness of Human Nature

Glossary