| Unit One Man and Nature Get Started Listen and Respond Read and Explore Text A Man in the Realm of Nature Text B Extinctions， Past and Present Optional Classroom Activities Enhance Your Language Awareness Enjoy English Unit Two Man and Technology Get Started Listen and Respond Read and Explore Text A Technology and Happiness Text B Who to Blame， Technology or the Person Who Uses It? Optional Classroom Activities Enhance Your Language Awareness Enjoy English Unit Three Knowledge and Knowledge Transfer Get Started Listen and Respond Read and Explore Text A The Rainbow of Knowledge Text B Barriers to Knowledge Transfer Optional Classroom Activities Enhance Your Language Awareness Enjoy English Unit Four Work and Career Get Started Listen and Respond Read and Explore Text A Work， Labor， and Play Text B Choosing an Occupation or Ca... |
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