Why do some publishers no longer promote their books？
A. Because the paper books are not profitable enough to sustain promotion.
Because Amazon"s near monopoly over the industry makes promotion unnecessary.
C. Because the public have easy access to the books" sales and reviews.
D. Because all the writers are promoting the books on their own.
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According to the passage, readers welcome e-books because
A. the e-reader is globally available.
B. many traditional bookstores are out of business.
C. they can make a quick response.
D. the e-book service is free from physical constraints.
What is peoples attitude towards worldwide temperature rise？
A. They are uncertain and therefore take a wait-and-see attitude.
B. They are very anxious and have begun to reduce harmful emissions.
C. They do not think the earth will be too hot to live on, hence adopting a passive attitude.
D. They are very optimistic and therefore have not done anything about it.
What will be the result of harmful emission reductions for the developing countries？
A. Developing countries will be able to shun the mistakes made by developed countries in harmful emission.
B. Economy of developing countries will be affected.
C. Developing countries will meet the present emission standard for their industrialized needs.
Developing countries will get money that can help them deduce waste emission.
In the longer span of the future, what is the most important in reducing harmful emissions？
A. Efficiency improvement.
B. New energy resources.
C. New technologies.
D. Burning less fossil fuel.
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