According to the information given in the passage, which of the following would be most likely to help a nation meet the reduction targets of the Kyoto Protocol？
A power plant switches its fuel source from bituminous to anthracite coal, thereby reducing the amount of sulfur dioxide that the plant releases into the air.
B. An aluminum processing plant alters the mix of the chemicals used in its smelting process so that the amount of nitrous disulfide emitted by the plant is increased and the amount of sulfur hexafluoride is decreased.
C. A petrochemical plant that produces plastics adjusts its manufacturing process so that the ratio of HFCs to PFCs emitted by the plant is altered from 1:12 to 1:8.
D. A metropolitan area switches its power source from a plant that burns coal to one that burns natural gas, which emits significantly less carbon dioxide per kilowatt of power generated than coal, although leaks in the natural gas pipeline have increased th
E. To reduce smog, a state mandates that all state employees on state business must drive electric vehicles instead of gasoline- powered vehicles; the energy used by these electric cars comes from coal- and oil-burning power plants that emit carbon dioxide.
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Which of the following, if true, would best reconcile the claim that developing nations like India "actually emit more greenhouse gases than many industrialized nations" with the previously stated claim that "the per-capita emissions of greenhouse gases from these nations are so much lower than those of industrialized nations"？
A. India has larger populations than any industrialized nations.
B. Once India develops economically to a level comparable to that of an industrialized nation in Europe or North America, it is expected that these previously developing countries will have to limit their carbon emissions as well.
C. The concept of "greenhouse gases" is controversial because it has not been proven definitively that the "greenhouse effect" exists.
D. Some of the most advanced forms of industry, such as the computer industry and biotechnology, emit far less greenhouse gases per unit of economic output than less advanced industries, such as agriculture or heavy manufacturing.
Economic development in developing countries such as India is hampered by lack of investment capital, lack of economic infrastructure, and the presence of persistent social problems that hinder government efforts to spur development.
下列关于留置的说法，不正确的是（)。A．留置这一担保形式主要应用于保管合同、运输合同等主合同B．留下列关于留置的说法，不正确的是()。
A. 留置这一担保形式主要应用于保管合同、运输合同等主合同
B. 留置担保的范围包括主债权及利息、违约金、损害赔偿金、留置物保管费用和实现留置权的费用
C. 留置的债权人按照合同约定占有债务人的动产，债务人不按照合同约定的期限履行债务的，债权人须经法院判决后方可以该财产折价或者以拍卖、变卖该财产的价款优先受偿
D. 留置是为了维护债权人的合法权益的一种担保形式
Which of the following questions is most likely to represent one of the "mysteries" mentioned at the beginning of the third paragraph？
A. Do all orcas maintain the same diet, or do some specialize in certain types of prey？
B. Is the orca more closely related to whales or to dolphins？
C. Do different orca pods exhibit any form. of organization in their whale songs？
Do orcas view swimming humans as a desirable source of food？
E. What is the average lifespan of an orca of the offshore variety？
听力原文：M: I have passed the teacher certificate examination and I wonder if I can get the job of the teaching assistant.
W: Yes. certainly. But if only you had sent in your application in time.
Q: What does the woman imply？
(16)
A. The man is not suitable for the position.
B. The job has been given to someone else.
C. She hadn't received the man's application.
D. There's no vacancy for teaching assistant.
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