序 前言 Part1:Reading and Writing Unit1 Reading:Energy Wwrds and Expressions Writing Study:Be/Have Sentence Unit2 Reading:The Greenhouse Effect:Global Warming and Climate Change Words and Expressions Writing Study:Present Simple Unit3 Reading:olive Cake Combustion in a Circulating Fluidized Bed Words and Expressions Writing Study:Dimensions Unit4 Reading:Fluidixed-bed Combustion of Coal Words and Expressions Writing Sudy:Qualified Statements of Dimensions and Properties Unit5 Reading:Comparison of Combustion Technologies Words and Expressions Writing Study:Simple Statements of Comparison Unit6 Reading:Transportation for the 21stCentury Words and Expressions Writing Study:Qualified Comparative Statements Unit7 Reading:Fossil Fuel Boiler Operations Words and Expressions Writing Study:ANote on Modals in Scientific English Unit8 Reading:Type of Gasifiers Words and Expressions Writing Study:The Passive Unit9 Reading:Ignition Words and Expressions Writing Study:Relative Clauses Unit10 Reading:Ignition Words and Expressions Writing Study:Relative Clauses Unit11 Reading:Mechanisms of Heat Transfer Words and Expressions Writing Study:General Definitions Unit12 Reading:Classifying Coal Words and Expressions Writing Specific Definitions and Expanded Definitions Unit13 Reading:Laboratory Study of Trace Element Vaporization from Combustion of Pulverized Coal Words and Expressions …… Unit14 Unit15 Part2:Technical Documents Writing Unit16 Unit17 Unit18 Unit19 Unit20 Unit21 Unit22 Unit23 Appendix1 Writing Error Examples Appendix2 Normal Mathematical Symbols and Readings References/Works Cited and Consulted