Unit 1 Part A Water resources of the world Part B What causes flooding Unit 2 Part A Reservoirs and dams Part B Dams and development-an insight to the report of the world commission on dams Unit 3 Part A Hydroelectric power Part B Pumps and Pumping Unit 4 Part A Underground water Part B The runoff cycle Unit 5 Part A Water pollution and pollutants Part B U.S. Wastewater treatment--past and present Unit 6 Part A Modem buildings and structural materials Part B Bridges Unit 7 Part A Soil erosion and soil conservation Part B Soil Conservation Issues on the United States Unit 8 Part A Engineering economy in waterresources planning(Ⅰ) Part B Engineering economy in waterresources planning(Ⅱ) Unit 9 Part A Hydrology Part B Current problems of stochastic hydrology Unit 10 Part A Summary of EIA Part B Inadequacies in current methods for environmental assessment Unit 11 Part A Irrigation methods Part B RDI--the new technique of water saving irrigation management in China Unit 12 Part A Evaporation Part B Evaporation model of lake Qaroun as influenced by lake salinity Unit 13 Part A 21st Century's water saving in agriculture of Beijing Part B The research and application of plastic pipe in infiltration irrigation Unit 14 Part A Methods of applications of drip irrigation system Part B Drip irrigation technology and state western area development strategy Unit 15 Part A Water use efficiency of grain crops on irrigated fields in China Part B Cumulative function of water sensitivity index for rice and its variation with hydrological years. Unit 16 Part A Some topics on developing water-saving irrigation Part B Optimal use of irrigation water in the Jordan valley: a case study Unit 17 Part A Irrigation canals Part B The SLGCAD software system on a new type of linked tetra-shaft & double-cantilever flat flap gate Unit 18 Part A A preliminary investigation on irrigation schedule under sprinkler irrigation Part B Study on expert system of irrigation forecast and decision making for water saving 參考譯文 Key to exercises