2008年大学英语四级考试AB卷真题及答案（三）_第2页

　　practical conclusion is that if global warming is a potential disaster, the only solution is new technology. Only an aggressive research and development program might find ways of breaking our dependence on fossil fuels or dealing with it.

  The trouble with the global warming debate is that it has become a moral problem when it's really engineering one. The inconvenient truth is that if we don't solve the engineering problem, we're helpless.

  注意：此部分试题请在答题卡2上作答。

  57.  What is said about global warming in the first paragraph?

  A) It may not prove an environmental crisis at all.

  B) It is an issue requiring worldwide commitments.

  C) Serious steps have been taken to avoid or stop it.

  D) Very little will be done to bring it under control.

  58.According to the author's understanding, what is AL Gore's view on global warming?

  A) It is a reality both people and Politicians are unaware of.

  B) It is a phenomenon that causes us many inconveniences.

  C) It is a problem that can be solved once it is recognized.

  D) It is area we actually have little knowledge about.

  59.Greenhouse emissions will more than double by 2050 because of _________.

  A) economic growth

  B) wasteful use of energy

  C) the widening gap between the rich and poor

  D) the rapid advances of science and technology

  60.The author believes that, since the signing of the Kyoto Protocol, __________.

  A) politicians have started to do something to better the situation.

  B) few nations have adopted real tough measures to limit energy use

  C) reductions in energy consumption have greatly cut back global warming.

  D) international cooperation has contributed to solving environmental problems