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Unit 1 Business and Economics
Writing Skill Development
Basic Structure of an Argumentative Essay
Reading for Ideas
Text A Drain or Gain?
Text B Rent or Buy£¬ a Matter of Life style
Text C Comeback Kid-America's Economy Is Once Again Reinventing Itself
Unit Summary

Unit 2 Engineering
Writing Skill Development
Supporting Evidence and Effective Argumentation £¨1£©
Use of Reliable Sources £¨statistics£¬ facts£¬ quotation£¬ illustrative incidents£¬ etc£®£©
Reading for Ideas
Text A Altering the Forces of Nature£º Genetic Engineering on Animals
Text B Genetically Modified Foods£º A Solution to World Hunger or Potential Health Threat?
Text C Genetic Engineering and Cloning
Unit Summary

Unit 3 Science
Writing Skill Development
Supporting Evidence and Effective Argumentation £¨2£©
Cause and Effect
Reading for Ideas
Text A Can Animals and Plants Adapt to Global Warming?
Text B Intermittent Exercise-Factors That Effect Performance
Text C Stem Cell Research-Why Is It Regarded as a Threat?
Unit Summary
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Unit 4 Information Technology
Unit 5 Philosophy
Unit 6 Social Science
Unit 7 Life Science/Health
Unit 8 Environment

Appendix
Glossary