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2015年职称英语理工类C级练习题阅读理解(1)

发布时间：2016-03-01 编辑：查字典英语网小编

　　Its in the Cards

　　How safe is the plastic used to make these cards, though? Until now, most cards have been made from a plastic called PVC. While PVC is being produced, harmful chemicals are released into the atmosphere. One of the most dangerous chemicals that is released is dioxin, which is known to cause cancer in humans. A further problem is that, when a PVC card is thrown away, it is not biodegradable; this means that it does not break down and cannot be recycled. Obviously, recycling reduces pollution of the environment.

　　16 Fewer and fewer credit cards are made of paper,

　　17 The plastic used in credit cards is fairly safe.

　　18 The cards that are wildly used now are credit cards.

　　19 Most credit cards are biodegradable

　　20 The new credit card that is being introduced by Greenpeace is not made of plastic.

　　21 The new Greenpeace card breaks down in a few months

　　22 Greenpeace cards are widely used in many organizations now.

　　答案:

　　20. B　　21. A　　22. B　

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