阅读理解 有英语高手没帮我做下Passage 3According to the best historical and

阅读理解 有英语高手没帮我做下
Passage 3
According to the best historical and archaeological evidence,it is estimated that it took 8000 thousand to 1 million years fro the earth’s population to reach 250 total which existed at the end of the first century after Christ.For some time after that,disease,famine,and war kept the population increase down to a fraction of 1 percent a year so that more than 15 centuries passed before the population reached 500 million.But in the next 250 years,up to 1850,the population of the world shot up to the 1 billion mark,and today it has reached 3 billion.It is predicted by United Nations investigators that in the next 35 years the population of the world will double.
When experts are asked what the most effective measure which overpopulation poses,they reply that at least three measures can be considered:
(1) increasing sources and supply of food for underdeveloped countries; (2) increasing the industrialization of underdeveloped countries; (3) regulating conception and births.The experts add,however,that none of the proposed measures can effective by itself,that all must be combined into an integrated program.They also agree that without some regulation of conceptions and births,any other measures are doomed to failure.
11.Our information about the population of the earth before the first century after Christ comes mainly from __________.
A.estimates based on current population growth
B.references in literature and mythology
C.estimates based on previous population growth
D.written records and cultural remains
12.It is estimated that in the year A)D)100 the population of the earth was about ________.
A.800 thousand B.1 million C.250 million D.500 million
13.The population of the world doubled between the year ________.
A.1850 and today B.100 and the year 1600
C.100 and the year 1400 D.1 and the year 100
14.Population growth was most restricted in the period from _________.
A.100B.C to A.D 100 B A.D.100 to A.D.100
C.A.D.1600to A.D.1850 D.A.D1850 to the present
15.The word “ famine” means___________
A.infection B.destruction C.slaughter D.starvation