目录 Unit 1 Food Part One Lead-in Listening Part Two Speaking Tasks Part Three Reading Task One Genetically Modified Food Part Four Reading Task Two Interesting Foods Part Five Intercultural Reading New Year’S Eve(除夕) Unit 2 People Part One Lead—in Listening Part Two Speaking Tasks Part Three Reading Task One From Disadvantage to Advantage Part Four Reading Task Two Steve Jobs Part Five Intercultural Reading Valentine’S Day(情人节) Unit 3 Everyday Science Part One Lead-in Listening Part Two Speaking Tasks Part Three Reading Task One Supermarket Tech Part Four Reading Task Two Why Study Science Part Five Intercultural Reading Easter(复活节) Unit 4 On the Environment Part One Lead.in Listening Part Two Speaking Tasks Part Three Reading Task One Take Care of Our Environment Part Four Reading Task Two Life with Garbage Part Five Intercultural Reading Boxing Day(节礼日) Unit 5 On Health Part One Lead—in Listening Part Two Speaking Tasks Part Three Reading Task One You Have Cancer Part Four Reading Task TWO Vegetables and Cancer Part Five Intercultural Reading Thanksgiving Day(感恩节) Unit 6 Survival Tips Part One Lead.in Listening Part Two Speaking Tasks Part Three Reading Task One How to Survive in the Desert
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