地理必修二总结（Geography required two summary）.doc

地理必修二总结（Geography required two summary） Geography required two.Txt28 summary of life of the elderly is a wise, life is a learned teacher, it often salutary influence of education, silent to guide us, give us inspiration in life. Do not spare your love, open your heart, give more, and you will find yourself bathed in the river of love. Senior geography compulsory two review outline Chapter 1 population change Knowledge repetition This chapter is the logical connection of knowledge: 1.1 population change 1, the natural growth of a regions population is determined by birth rates and death rates. [memory] 2, several important population days: world population day 6 billion (1999/10/12); Chinas 1 billion 300 million population (2005/1/6). 3, the historical stage of population growth (understanding, memory) Period, population change, characteristic, reason Before the agricultural revolution, the population was small, the population growth was slow, the productivity was low, and the mortality rate was high During the agricultural revolution, the number of the population increased, the rate of growth increased rapidly, the level of productive forces improved, the medical conditions improved, and the life expectancy improved Since the beginning of the industrial revolution, the speed of world population growth has been remarkably accelerated, the productivity and quality of life have improved continuously, and the death rate has gradually declined 4, since twentieth Century, especially for the past 100 years, the rapid growth of population: (understanding, memory) Over the past 100 years, with the production tools and the progress of social productivity, human development and utilization of the natural environment and the transformation of the expanding the scope of all kinds of disasters and disease defense capabilities continue to improve, make use of the natural environment and human adaptability increases, further reduce mortality. 5, the number of natural population gro