According to the information given in the passage, sulfur dioxide emissions are linked to
A. Reduced visibility in the eastern United States
B. Damage to the ozone hole
C. Increased rates of asthma
D. Acid rain
E. Damaged forests
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According to information given in the passage, which of the following statements presents
A. The former is cheaper and has higher sulfur content than the latter.
B. The latter is found closer to the surface and contains more sulfur than the former.
C. The former can help coal-burning power plants meet limits on sulfur dioxide emissions and costs more than the latter.
D. The latter generates more energy per pound of coal than the former.
E. The former is found closer to the surface than the latter and helps coal-burning power plants meet limits on sulfur dioxide emissions.
Which of the following statements, if true, would provide the strongest argument for a utility company spokesman wishing to refute the arguments expressed in the passage？
A. Over the last decade, the energy industry has funded an environmental initiative that has planted more than 200,000 new trees.
B. The dangers of acid rain to human health have been wildly exaggerated by environmental extremists who seek to scare the general public.
C. The specifications of the Clean Air Act, although well intentioned, in practice require power plants to adopt less efficient technologies that increase emissions of atmospheric pollutants other than sulfur dioxide that have been linked to equally serious
D. A substantial upgrade to a coal-burning power plant that includes the installation of sulfur dioxide scrubbing equipment can cost hundreds of millions of dollars, although companies can often recoup most of these costs over the following years as a result
E. The scientific data upon which the Clean Air Act was based have not been corroborated by the scientists at the Center for Atmospheric Truth, a research group funded by a consortium of energy companies.
Which of the following, if true, would cast the most doubt on the pharmaceutical company's
A. Fifteen of the 39 dead rats were later found to have died of a rare form. of liver cancer that is generally seen in only 1 out of 600,000 lab rats.
B. The director of the experiment, although a respected scientist, is not a medical doctor, and therefore will not be able to continue as director of the experiment once it switches from animal to human trials.
C. Although the painkiller in question has been shown to block certain forms of pain, its duration of efficacy is less than that of other painkillers currently on the market.
D. Human trials of another drug produced by this pharmaceutical company were called off after 30 out of 1,000 rats died of heart failure during the animal testing phase of the experiment.
E. The pharmaceutical company is eager to introduce new drugs to the market because its best-selling product, a drug that reduces blood pressure, will soon lose its patent protection.
The author most likely begins and concludes the passage with questions for what reason？
A. To suggest possible areas for current and future research
B. To pose a question that is answered in the body of the passage, and then to formulate a question that arises naturally out of the discussion
C. To gain the readers' attention and encourage their agreement with the arguments in the passage
D. To suggest through rhetorical questions that the problems described in the passage do not actually have answers
E. To test the readers' knowledge of the material discussed in the passage
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