高等工科院校试用教材 英语 下 供中学已学过三年英语的学生使用PDF电子书下载

Lesson Thirteen 1

Text:Serve the Pec？Supplementary Reac？DiaryLesson Fourteen 19

Text:Matter in Three Physical States？Supplementary Reading:Elements Compoun？ MixturesGrammar:The Attributive Clause(Part Ⅱ)Lesson Fifteen 37

Text:Pure Water and Natural Water Supplementary Reading:WaterLesson Sisteen 53

Text:China's First 12,000-ton Hydraulic PressSupplementary Reading:The Bnilding of the 12,000-ton Hydraulic PressGrammar:The Noun Clauses Introduced by "What"Lesson Seventeen 73

Text:Mechanical DrawingsSupplementary Reading:How to Reprexent Machinc Parts in a DrawingGrammar:The Emphatic ItLesson Eighteen 92

Text:Words in ScienceSupplementary Reading:Conversion in English WordsGrammar:The Subjunctive MoodLesson Nineteen 111

Text:The Structure of the AtomsSupplementary Reading:Atomic StructureLesson Twenty 128

Text:Laboratory WorkSupplementary Reading:HeatGrammar:The Adverbial Clauses introduced by"that"Lesson Twenty-One 150

Text:The Concept of WorkSupplementary Reading:DynamicsLesson Twenty-two 162

Text:What is the Source of Correct Ideas?Supplementary Reading:Freedom and NecessityGrammar:A Brief Summary of the Usage of"As"Quotations from Chairman Mao Tse-tung 203