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U1R3 PC: Parties associated with the Accord (140 countries, as of November 2010) aim to limit the future increase in global mean temperature to below 2°C.相关缔约国（截止2010年11月，总数达到140个国家）的目标是，限制全球平均温度的未来增长低于2°C。U1R4 P1: The dispute lies in whether or not the warming we are now experiencing simply reflects a natural change in the recent global temperature trend or results from the polluting impact of human activities since the industrial revolution.争议在于，我们正在经历的变暖是否仅仅反映了最近全球温度的自然变化，抑或是工业革命以来人类活动导致的结果。The two companies have not reached an agreement. (双方的分歧在于是否) (应将今后的成本增加控制在5%以内).

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U1R1 P4: Aside from natural and health issues, the world's economy is also at risk.除了自然和健康问题，全球经济也面临危险。U1R3 PA: The politics of global warming are complex due to many factors that arise from the global economy's interdependence on carbon dioxide emitting energy sources.全球变暖的政治性之所以复杂有多种因素，这是由于全球经济对那些释放二氧化碳的能源的相互依赖。(由于全球经济在…方面相互依存而导致的许多因素) aspects such as environmental protection, energy deficiency, etc., . (世界经济依然面临危险)

U1R1 P1: In addition, many coastal cities and regions have recently been experiencing flooding, caused by the melting of the polar icecaps.此外，由于极地冰盖的融化，许多沿海城市和地区最近在经历着洪水的侵袭。U1R3 PC: It produced an agreement, not a binding treaty, that the Parties should take urgent action to reduce greenhouse gas emissions to meet a goal of limiting global warming to 2°C above pre-industrial temperatures.会议的成果是，而非约束性的协议，所有缔约国应采取紧急措施减少温室气体排放量，预期目标是高于工业社会前2°C的全球温度水平。Since (该地区一直遭受雾霾天气), the local government should . (采取紧急措施减少大气污染)

U1R3 PA:The ultimate objective of the Convention is to prevent dangerous human interference with the climate system.该公约的最终目标是阻止人类对气候系统的干扰。During negotiations, the G77 (a lobbying group in the United Nations representing 133 developing nations) pushed for a policy requiring developed countries to "take the lead" in reducing their emissions.在谈判过程中，77国集团（代表着133个发展中国家的联合国游说团体）敦促，制定要求发达国家带头减少排放量的政策。The United Nations (强烈要求发达国家领先减少碳排放), and restated that (最终目标是要) involve every nation on the Earth.

电容器对直流电或交流电都起隔断作用。

A. 对
B. 错