地理下册复习【完】（2 review [End] geography）.doc

地理下册复习【完】（2 review [End] geography） 2 review [End] geographical origin: Xu poem leisurely. The name and distribution of the worlds four largest populated areas: East Asia, South Asia, Western Europe, eastern North America The population of our country geographical boundaries: Heihe Tengchong line (Hu Huanyong line) The basic conditions of the population in our country: The population is large, the resources are insufficient, and the carrying capacity of the environment is weak The population policy of our country: Control population quantity, improve population quality and carry out family planning The natural growth of population and the growth of machinery: Natural population growth rate = (birth death population) / total population * 1000 per thousand Mechanical growth rate of population = (moving population - moving out of population) / total population * 1000 per thousand The growth characteristics of the development of the worlds population at different stages of population: Before industrialization: (low growth stage) high birth rate, high mortality rate, low natural growth rate and small population size In the initial stage of industrialization (high growth stage), the birth rate and mortality rate declined sharply, the rate of natural increase and the population scale expanded rapidly Middle and late stages of industrialization: (declining rate of growth), rapid decline in birth rate, slow decline in mortality rate, decline in natural growth rate and slow expansion of population scale Post industrialization period: (low growth stage), low birth rate, low mortality rate (rebound) and low natural growth rate The population problem in developing countries and regions and developed countries and regions: Developed countries: (aging) natural growth rate, low mortality rate rise, the elderly population accounted for more than a major, labor shortages, social support, the rising cost of financial pressure, young burden, social demand, economic growth Developing co