职称英语考试

【单选题】Global Warming and Technological changesRecent studies have identified four major global environmental risks: acid rain, ozone depletion, deforestation and the greenhouse effect. On the whole, thanks to technological changes, people now tend to move toward warmer regions in NorthAmerica andEurope.Climate warming will probably be a boon toAlaska, which isAmerica’’s least productive state in Gross National Product(GNP)per square mile.Studies of the impact of global warming on the United States and other developed regions find that the most vulnerable areas are those dependent on unmanaged ecosystems—on naturally occurring rainfall, run-off and temperatures, and the extremes of these variables.Agriculture, forestry and coastal activities fall into this category.Most economic activity in industrialized countries, however, depends very little on the climate. Intensive-care units of hospitals, communications, heavy manufacturing and microelectronics are among the sectors likely to be unaffected by climatic change. In selecting whether to set up in, say, Hong Kong or in Warsaw, few businesses will consider temperature a weighty factor.Greenhouse warming would have little effect onAmericas national output.About 3% ofAmerican GNP originates in climate sensitive sectors such as farming and forestry.Another 10% comes from sectors only modestly sensitive-energy, water systems, property and construction. For the largest share, 87% , comes from sectors, including most services, that are negligibly affected by climate change. 13% ofAmerican GNP come from sectors affected by climate changes.
A、Right
B．Wrong
C．Not Mentioned

网考网参考答案：A
网考网解析：
根据文章提供的数据，美国国民经济总收成的大约3％来源与气候变化有密切联系的行业，另有10％来源于与气候有关但关系不太大的行业，剩下的87％几乎与气候变化毫无关系。所以，其中与气候有关的应该是13％。故正确。 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>