单项选择题

A leading climate change scientist says the warming of the planet would have a devastating impact on the poor and the hungry. The chairman of the UN’s Intergovernmental Panel (31) Climate Change, Rajendra Pachauri, says the (32) of climate change will be mainly felt in the areas of health and agriculture. He says it is the poor (33) would suffer the most from the change. He says heat waves in different parts of the world are making people ill and (34) many deaths. He says the situation is (35) bad in poor countries that do not have the infrastructure or necessary means to (36) people from extreme heat. (37) the agricultural effects of climate change, Pachauri says a great many people are (38) on rain-fed agriculture. Climate change would lead to an increase in precipitation ( 降水 ) in temperate areas, ( 39 ) a decrease in tropical and sub-tropical areas, where most of the people on Earth live. Those who depend on agriculture for their (40) , he says, would be (41) affected by the decrease. "At the global level, with the decline in agricultural (42) , in the largest countries of the world or the most (43) countries of the world, we will find that food stocks will (44) ," Pachauri said. "And, as a matter of fact, that has already started happening. The result of that will be a(n) (45) in food prices. Now, (46) in turn, hits the poorest of the poor very badly. "As countermeasures, the farmers will have to (47) measures such as the more (48) use of water resources and new strains of crops that can (49) higher temperatures and lower (50) of water will have to be developed.