Unit 1 Science and Technology Learning Objectives Reading Text A Climate Change and the Mystery of the Shrinking Sheep Text B The Problems of Technology Text C Public Attitudes Towards Science Writing Ⅰ. Thesis Ⅱ. The Structure of an Expository Essay Ⅲ. Writing Tasks Unit 2 Health Learning Objectives Reading Text A Obesity Text B Organic Food Text C Addiction Writing Ⅰ. Definition Essay Ⅱ. Academic Writing Ⅲ. Writing Tasks Unit 3 Psychology Learning Objectives Reading Text A Types of Mental Illnesses Text B Causes of Mental Illness Text C Psychology Behind Why People Lie Writing Ⅰ. Classification Essay Ⅱ. Plagiarism Ⅲ. Writing Tasks Unit 4 Tips in Life Learning Objectives Reading Text A How to Write a Personal Letter Text B Ways to Improve Communication Skills Text C How to Make a Good Impression During Job Interviews Writing Ⅰ. Process Analysis Essay Ⅱ. Coherence in Writing Ⅲ. Writing Tasks Unit 5 Desires in Human Nature Learning Objectives Reading Text A Some Motives in Human Nature Text B The Road to Happiness Text C Life in the Fast Lane Writing Ⅰ. Exemplification Ⅱ. Summary Ⅲ. Writing Tasks Unit 6 Life Values Learning Objectives Reading Text A I Wish I Had Married Rich Text B How I Learned to Relax at a Spa -With My Mom Text C Thank You Writing Ⅰ. Cause and Effect Ⅱ. Coherence: Transitions Between Ideas Ⅲ. Writing Tasks Unit 7 Nature Unit 8 Social Values