问题 选择题

企业通过新闻媒体宣传自己的产品是正常的,但个别企业的广告却言过其实,夸大了产品的性能,虚构产品的作用,引诱消费者盲目购买。结果不仅不能以自身的使用价值征服消费者,反而因为弄虚作假被消费者鄙弃。这从反面说明[ ]

A.企业对产品的宣传力度能够体现品牌效应

B.只有诚信经营才能使企业赢得竞争优势

C.激烈的市场竞争促使企业不惜一切谋取利益

D.产品只要有了知名度,就能保证企业有经济效益

答案

答案:B

选择题
单项选择题

There was one thought that air pollution affected only the area immediately around large cities with factories and heavy automobile traffic. At present, we realize that although these are the areas with the worst air pollution, the problem is literally worldwide. On several occasions over the past decade, a heavy cloud of air pollution has covered the east of the United States and brought health warnings in rural areas away from any major concentration of manufacturing and automobile traffic. In fact, the very climate of the entire earth may be infected by air pollution. Some scientists consider that the increasing concentration of carbon dioxide in the air resulting from the burning of fossil fuels (coal and oil ) is creating a "greenhouse effect"— conserving heat reflected from the earth and raising the world’s average temperature, If this view is correct and the world’s temperature is raised only a few degrees, much of the polar ice cap will melt and cities such as New York, Boston, Miami, and New Orleans will be in water.

Another view, less widely held, is that increasing particular matter in the atmosphere is blocking sunlight and lowering the earth’s temperature—a result that would be equally disastrous, A drop of just a few degrees could create something close to a new ice age, and would make agriculture difficult or impossible in many of our top farming areas. Today we do not know for sure that either of these conditions will happen (though one recent government report drafted by experts in the field concluded that the greenhouse effect is very possible). Perhaps, if we are lucky enough, the two tendencies will offset each other and the world’s temperature will stay about the same as it is now. Driven by economic profits, people neglect. the damage on our environment caused by the "advanced civilization". Maybe the air pollution is the price the human beings have to pay for their development. But is it really worthwhile

It can be concluded that ()

A. raising the world’s temperature only a few degrees would not do much harm to life on earth.

B. lowering the world’s temperature merely a few degrees would lead major fanning areas to disaster.

C. almost no temperature variations have occurred over the past decade.

D. the world’s temperature will remain constant in the years to come.