【正文】 ......................................................................41 詞匯精講 ...................................................................................................................41 課文簡介 ...................................................................................................................42 課文精講 ...................................................................................................................43 Text B Predicting Earthquakes ....................................................................................45 詞匯精講 ...................................................................................................................45 課文精講 ...................................................................................................................45 Unit 7 ......................................................................................................................................46 Text A Leisure and Leadership....................................................................................46 詞匯精講 ...................................................................................................................46 課文簡介 ...................................................................................................................47 課文精講 ...................................................................................................................47 Text B The Time Message...........................................................................................50 詞匯精講 ...................................................................................................................50 課文精講 ...................................................................................................................51 Unit 8 ......................................................................................................................................52 Text A Jet Lag: Prevention and Cure ..........................................................................52 詞匯精講 ...................................................................................................................52 課文簡介 ...................................................................................................................53 課文精講 ...................................................................................................................53 Text B Controlling Your Concentration ......................................................................56 詞匯精講 ...................................................................................................................56 課文精講 ...................................................................................................................56 Unit 9 ......................................................................................................................................58 Text A Aging in European Countries ..........................................................................58 詞匯精講 ...................................................................................................................58 課文簡介 ...................................................................................................................59 課文精講 ...................................................................................................................59 Text B Children?s Selfesteem.....................................................................................62 詞匯精講 ...................................................................................................................62 課文精講 ...................................................................................................................62 Unit 10 ....................................................................................................................................64 Text A The Campaign for Election .............................................................................64 詞匯精講 ...................................................................................................................64 課文簡介 ...................................................................................................................65 課文精講 ...................................................................................................................65 Text B The American Twoparty System ....................................................................68 詞匯精講 ...................................................................................................................68 重點(diǎn)句子 ...................................................................................................................68 Unit 11 ....................................................................................................................................70 Text A Sacrificed to Science?......................................................................................70 詞匯精講 ...................................................................................................................70 課文簡介 ...................................................................................................................71 課文精講 ...................................................................................................................71 Text B Let?s Stop Keeping Pets...................................................................................74 詞匯精講 ...................................................................................................................74 重點(diǎn)句子 ...................................................................................................................75 Unit 12 ......................................................................................................................