单项选择题

In 1971 a team of experts prepared a report entitled "The Limits of Growth," based (1) a computer analysis of future economic trends. (2) , presented in moderate language, the conclusions reached . (3) ,this inquiry are shocking.. (4) , that world production growth is very great and persists unchecked, the experts demonstrate that only one outcome is possible -- a rather sudden, uncontrollable decline in population and industrial capacity (5) before the year 2100.
For this disaster two main factors will be responsilble: first, the acute shortage of farming land, which will lead (6) mass starvation, and (7) the absolute increase in industrial production, (8) will cancel any attempt to (9) pollution and will (10) exhaust natural resources. These consequences will follow (11) technology temporarily succeeds (12) multiplying available resources; the sooner they are exploited, (13) they will be used up.
There appears to be no alternative to the solution advocated by the authors of the report, (14) the immediate adoption (15) measures to restrict global investment in new
plants and machinery to the.rate (16) which physical capital now wears outUnfortunately, (17) most party leaders are either blind to the urgency of these issues (18) are compelled to ignore them (19) the selfish interests of citizens on whose votes they depend (20) political support.

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