CONTENTS
前 言
Lesson One
Seven Major Rivers in China
Reading Material Present Status and Major Problems of River Regulation
in China
Lesson Two
Achievements in Construction of Water Conservancy and Hydropower
Reading Material China's Water Power Resources
Lesson Three
The Three Gorges Project
Reading Material The Gezhouba Project
Lesson Four
The Yellow River
Reading Material Taming the Yellow River
Lesson Five
How Water Circulates Throughout the World
Reading Material The Hydrologic Cycle
Lesson Six
River Floods
Reading Material Flood Control
Lesson Seven
Why Men Build Dams
Reading Material History of Dams
Lesson Eight
Main Types of Dams
Reading Material Dam Construction
Lesson Nine
Levee
Reading Material Methods Used in Draining Lands
Lesson Ten
Water Pollution
Reading Material Water Pollution Control and Treatment
Lesson Eleven
Canals
Reading Material The Master Canal-builders
Lesson Twelve
Saving Water
Reading Material Water Treatment
Lesson Thirteen
Aqueduct
Reading Material Aqueducts--Ancient and Modern
Lesson Fourteen
Irrigation
Reading Material Modern Irrigation Systems
Lesson Fifteen
Soil Conservation
Reading Material Soil Erosion
Lesson Sixteen
Pumps
Reading Material Main Types of Pumps
Lesson Seventeen
Water Power
Reading Material Waterpower-a Natural Resource Put to Work
Lesson Eighteen
Hydraulic Turbine
Reading Material How Is a Turbine Working
Lesson Nineteen
Developing Hydroelectric Power ( 1 )
Reading Material Developing Hydroelectric Power ( II )
Lesson Twenty
Types of Hydroelecfric Plants
Reading Material Hydroelectric Power
APPENDIX Ⅰ怎样查词典
APPENDIX Ⅱ英语构词法常识
APPENDIX Ⅲ英汉翻译常识
APPENDIX IV VOCABULARY
APPENDIX V PHRASES AND EXPRESSIONS
APPENDIX Vl PROPER NOUNS
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