摘要： The text is mainly about . A. the China-U. S. relations B. the Nixon Library C. President Nixon D. the Youth Summit Correct answers: 1-3 DBD NMET 2001 C Many cities around the world today are heavily polluted. Careless methods of production and lack of consumer demand for environment friendly products have contributed to the pollution problem. One result is that millions of tons of glass, paper, plastic, and metal containers are produced, and these are difficult to get rid of. However, today, more and more consumers are choosing "green" and demanding that the products they buy should be safe for the environment. Before they buy a product, they ask questions like these: "Will this shampoo damage the environment?" "Can this metal container be reused or can it only be used once?" A recent study showed that two out of five adults now consider the environmental safety of a product before they buy it. This means that companies must now change the way they make and sell their products to make sure that they are "green," that is, friendly to the environment. Only a few years ago, it was impossible to find green products in supermarkets, but now there are hundreds. Some supermarket products carry labels to show that the product is green. Some companies have made the manufacturing of clean and safe products their main selling point and emphasize it in their advertising. The concern for a safer and cleaner environment is making companies rethink how they do business. No longer will the public accept the old attitude of "Buy it, use it, throw it away, and forget it." The public pressure is on, and gradually business is cleaning up its act.

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