It is believed that it took about 800 thousand to 1 million years for the earth'
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It isbelieved that it took about 800 thousand to 1 million years for the earth'spopulation to reach the 250 million total which existed at the end of the firstcentury AD. For some time after that, disease, famine(饥饿) and war kept the population increasedown to a rate of 1 percent a year so that more than 15 centuries passed beforethe population reached 500 million. But in the next 250 years, up to 1850, thepopulation of the world shot to 1 billion and today it has reached 3.5 billion.Scientists say that in the next 35 years the population of the world willdouble, reaching almost 7 billion by the year 2010.
When experts are asked what are the most effective measures thatcan stop over population, they reply that at least three measures can beconsidered.
(A)Increasing sources and supply of food for under-developed countries.
(B)Increasing the industrialization of under- developed countries.
(C)Controlling birth.
The experts add, however, that none of the above measures can beeffective by itself, and that all must be combined into one whole program. Theyalso agree that without controlling of births, any other measures are doomed (注定) to failure.
1.Thepopulation _______ because of disease, famine and war.
A. didn't increase B.became less
C. increased slowly D.still increased very fast
2. Thepopulation of the world doubled between the year _______.
A. 1850 and today B.100 and the year 1400
C. 100 and the year 1600 D. 1 andthe year 100
3.Which ofthe following is true?
A. the richer the country is, the faster the population increase.
B. Birth control is the most important way to control the growthof population.
C. the population in the developedcountries is increasing faster than that in the underdeveloped countries.
D. It is impossible to control the increase of the population.
4.Thepassage was written in ________.
A. 1850 B.1936 C.2001 D.1975
试题答案
【答案】
1.C
2.C
3.B
4.D
【解析】略