The author of the passage intends to _________.
A: warn people against the population explosion in the near future
B: compare the demographic growth pattern in the past with that after 1650
C: find out the cause for rapid increase in population in recent years
D: present us a clear and complete picture of the demographic growth
A: warn people against the population explosion in the near future
B: compare the demographic growth pattern in the past with that after 1650
C: find out the cause for rapid increase in population in recent years
D: present us a clear and complete picture of the demographic growth
D
举一反三
- This passage tells us that ______. A: the United Nations thinks it possible to avoid a population explosion B: 5.1 billion people are living in the underdeveloped countries C: in advanced nations the population growth is being controlled D: the world's population is increasing.
- This passage tells us that（） A: the United Nations thinks it possible to avoid a population explosion B: 5.1 billion people are living in the underdeveloped countries C: in advanced nations the population growth is being controlled D: the world's population is increasin
- This passage chiefly discusses ______. A: the growth of world population B: one type of the exponential rate C: the population problem of more rapidly growing countries D: the possible ways of dealing with the rapid population growth
- In the past decades, the world’s population growth has balanced well.
- This talk covers each of the following topics EXCEPT ______ A: a comparison of growth rates by continent B: family planning education C: problems resulting from the population explosion D: causes of the population explosion
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A marketing group is studying population trends. It predicts that the population P of a certain city will increase at the rate of dP/dt people per year, where dP/dt=15000/sqrt____ and t is the number of years past 1980. What is the expected increase in population from 1980 to 2001?
- 1
Which of the following was not related to urban population growth in the nineteenth century A: annexation B: migration C: newcomers D: natural increase
- 2
A market researcher who analyzes a population of consumers using the variable of marital status is segmenting the population by the demographic category of family structure. ()
- 3
149 million people out of the US total population of 299 million.
- 4
Can our __________ meet the needs of our population growth?