"Population" View China from the World PPT Courseware 4

"Population" View China from the World PPT Courseware 4

1. The most populous country in the world

Our country's population is more than twice the combined population of more than 30 countries in western Europe. It accounts for about 1/5 of the world's population and is the most populous country in the world. If all the people in China stood in a row holding hands, they could circle the earth's equator more than 40 times.

my country's average population density is 143 people/square kilometer, which is more than three times the world's average population density (47 people/square kilometer).

Fill it out

According to the sixth census in 2010, my country's total population is ___________, accounting for ___________ of the world's total population, making it the largest country in the world (Basic Knowledge)

1. It can be seen from the figure that the outstanding characteristics of my country’s population are (key points)

Large population base and rapid growth

2. From 1949 to 1997, my country’s population experienced rapid growth. What was the reason? (Just understand)

social stability, economic development

Improved living standards and improved medical and health conditions

Average life expectancy increases, mortality rate decreases

Natural population growth rate is large

Question: What problems will arise from excessive population growth? Ask students to give examples.

Tip: Think about social issues, food issues, natural environment issues, etc.

The problems caused by excessive population growth include the following: (Just understand)

A. Traffic congestion B. Employment difficulties C. Poor living conditions

D. Hunger and poverty E. Environmental destruction F. Piles of domestic garbage

Thinking: How to deal with my country’s population problem and what measures should be taken?

2. my country’s basic national policies (key points):

In order to solve the problems caused by population growth, what measures should humans take?

Make population growth compatible with social and economic development and coordinate with resource and environmental conditions.

National policy: implement family planning

Control population size and improve population quality

Make population growth compatible with social and economic development and coordinate with resource and environmental conditions.

Since the implementation of family planning in the 1970s, my country's population has been effectively controlled. The natural population growth rate dropped from 25.8% in 1970 to less than 5% in 2010 (half the world average). 400 million fewer people were born across the country, delaying the arrival of the world's 6 billion population by 4 years.

3. The population is more in the east and less in the west

1. Population density

The density of population distribution is generally expressed by the population per square kilometer of land. We call the number of people per unit area of ​​a country or region called population density.

Calculation formula:

Population density = total population/area (people/km)

2. Population distribution characteristics:

East has more (___%) West has less (___%)

3. Population geographical boundaries:

Heihe—Tengchong

The population distribution of our country shows the following reasons: more in the east and less in the west:

Natural conditions

Terrain: The east is mainly plains and hills with more arable land; the west is mountains and plateaus with less arable land.

Climate: The east is warm and humid, with abundant precipitation; the west is dry, with many deserts;

Hydrology: The east has a dense river network and abundant water resources; the west has insufficient water resources;

Mineral resources: Mineral resources are abundant in the east but relatively scarce in the west.

social economy

Transportation: Transportation is convenient in the east, but inconvenient in the west;

Economy: The east has a developed economy and complete living facilities; the west has a backward economy;

Employment: There are more employment opportunities in the east than in the west.

historical development

The eastern part was developed early and the western part was developed later.

Small scale chopper

1. Regarding the description of my country’s population distribution, which one is correct ( )

A. More in the southwest and less in the northeast B. More in the northeast and less in the southwest

C. More in the southeast and less in the northwest D. More in the northwest and less in the southeast

2. Among the provincial administrative units in my country, the top two in terms of population are ( )

A. Yu, Shandong B. Beijing, Tianjin

C. Qing and Tibet D. Su and Anhui

3. The administrative region with the smallest population density in my country is ( )

A.Xinjiang B.Tibet C.Gansu D.Qinghai

4. Among the following provinces and regions, the one with the smallest population density is ( )

A.Shandong B.Qinghai C.Yunnan D.Fujian

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