The ancient _____________ believed that China stood at the _________ of the _________. They didn't think there were any other ____________ societies on Earth.
Chinese, center, world, civilized
If you picked __________ up and placed it on top of the _______________________, the two countries would match up pretty well. They are nearly ______________ in _________________ and _________.
China, United States, equal, shape, size
Geographers sometimes describe China as a __________ ___________.
giant, slope
Western China physical features
mountains, plateaus, and basins
Central China physical features
mountains, hills, plateaus, desert
Eastern China physical features
hills, river valleys, plains, flood plains
In the _______________ it (China) became the first country to reach 1 _____________ people.
1980's, billion
A population grows when its _______ __________ each year is higher than the ___________ ___________.
birth rate, death rate
To find out how fast a population is growing, _____________ the ___________rate from the _________ rate.
subtract, death, birth
The annual rate is also known as the ____________________________
rate of natural increase
In ________, China had about _________ million people. Only ________ years later, in 1990, it had __________ as many people.
1950, 550, 40, twice
The time it takes for a population to double is called
doubling time
The ____________ the rate of ___________ ___________, the ____________ the doubling time.
higher, natural, increase, shorter