Unit 1PreviewⅠ．Assignments Before ClassⅡ．A Communicative Approach to Text A Text A：Reaching out for Worid HealthⅢ．Further Reading Text B：My Hope for Medicine Text C：Scientist CitizensIV．Follow．up ActivitiesUnit 2PreviewⅠ．Assignments Before ClassⅡ．A Communicative Approach to Text A Text A：On Knowledge_Ⅲ．Further Reading Text B：Teach Us How Text C：Redefining Science EducationIV．Follow—up ActivitiesUnit 3PreviewⅠ．Assignments Before ClassⅡ．A Communicative Approach to Text A Text A：March MusicⅢ．Further Reading Text B：Four-Wheel—Drive Medicine Text C：The Chief ComplaintIV．Follow—up ActivitiesUnit 4 Preview．Ⅰ．Assignments Before ClassⅡ．A Communicative Approach to Text A Text A：In a WOrdⅢ．Further Reading Text B：At a LOSS for WOrds Text C：WOrdsIV Follow—up ActivitiesUnit 5PreviewⅠ．Assignments Before ClassⅡ．A Communicative Approach to Text A Text A：Bridging Science and Society111．Further Reading Text B：A Case OfMutual Distrust TeXt C：A Look WithinIV．Follow—up Activities．Unit 6 Preview．Ⅰ．Assignments Before ClassⅡ．A Communicative Approach to Text A Text A：The Architecture ofEthicsⅢ．Further Reading Text B：Humanity and Evolution Text C：Not Now,Dr MiracleIV．Follow—up ActivitiesUnit 7 PreviewⅠ．Assignments Before ClassⅡ．A Communicative Approach to Text A Text A：The Well—SpringⅢ．Further Reading Text B：Objectivity Text C：Nothing but the TruthIV．Follow-up Activiti6sUnit 8PreviewⅠ．Assignments Before ClassⅡ．A Communicative Approach to Text A Text A：Thinking like a GeniusⅢ．Further Reading Text B：In Search Of Einstein’S Genius Text C：Creative TensionIV．Follow-up ActivitiesUnit 9PreviewⅠ．Assignments Before ClassⅡ．A Communicative Approach to Text A Text A：Scientists，Scholars，Knaves and FoolsⅢ．Further Reading Text B：Rules ofthe Game ofDoing Science Text C：In Pursuit of HappinessIV．Follow—up ActivitiesGlossaryAppendix：Task Slips