2. 医学
  3. By the end of this century, the average world temperature is expected to increase between one and four degrees, with widespread

By the end of this century, the average world temperature is expected to increase between one and four degrees, with widespread

admin2019-11-30  9
问题     By the end of this century, the average world temperature is expected to increase between one and four degrees, with widespread effects on rainfall, sea levels and animal habitats. But in the Arctic, where the effects of climate change are most intense, the rise in temperature could be twice as much.
    Understanding how Arctic warming will affect the people, animals, plants and marine life and economic activity in Canada’s North is important to the country’s future, says Kent Moore, and atmospheric physicist at University of Toronto Mississauga who is participating in a long-term, international study of the marine ecosystem along the Beaufort Sea, from Alaska to the Mackenzie delta.
    The study will add to our knowledge of everything from the extent of sea ice in the region to how fish stocks will change, to which areas could become targets for oil and gas exploration, to the impact on the indigenous people who call this part of the country home.
    Moore, who has worked in the Arctic for more than 20 years, says his research has already found that thinning sea ice and changes in wind patterns are causing an important change in the marine food chain: phytoplankton (浮游植物) is blooming two to three weeks earlier. Many animals time their annual migration to the Arctic for when food is plentiful, and have not adapted to the earlier bloom. "Animal behavior can evolve over a long time, but these climate changes are happening in the space of a few decades, rather than hundreds of years," says Moore. "Animals can’t change their behavior that quickly."
    A warmer Arctic is expected to have important effects on human activity in the region, as the Northwest Passage becomes navigable during the summer and resource extraction becomes more feasible. Information gained from the study will help government, industry and communities make decisions about resource management, economic development and environmental protection. Moore says the study—which involves Canadian, American and European researchers and government agencies — will also use a novel technology to gather atmospheric data: remotely piloted drones. "The drones have the capability of a large research aircraft, and they’re easier to deploy," he says, showing the researchers to gather information on a more regular basis than they would be able to with piloted aircraft.
To help understand the destructive mechanism of Arctic warming, as indicated by the passage, the international study________.
选项 A、is conducted with every single discipline of University of Toronto
B、pioneers in pursuing the widespread effects of climate change
C、involves so many countries for different investigations
D、is intended to deal with various aspects in research
答案D
解析 细节题。用international study可定位到第二、三段，第三段中讲到这项国际研究将增加我们对全方位(everything)的了解，包括从该地区海冰范围到鱼类种群将如何变化，哪些地区可能成为石油和天然气勘探的目标，以及对该国土生土长的人民的影响。由此可知，这项研究包含了方方面面，故D为正确答案。
转载请注明原文地址:https://kaotiyun.com/show/64T3777K
本试题收录于： 医学博士外语题库考研分类
0

医学博士外语

考研

相关试题推荐
随机试题
最新回复(0)