题目

阅读理解     There was a time when a trip to the supermarket in the United States often ended with a simple question from the cashier:"Paper or plastic?" Well, which type of bag would you choose?     Although all types of bags have some influences on the environment, it has long been thought that paper bags are kinder. They are made from a renewable source, break down esily, bum without giving off thick smoke and can be recycled. However, the producing process behind paper bags uses more energy than that of plastic ones.     How can this be true?     Studies show that paper bag production requires four times as much energy as plastic bag production. And the amount of water used to make them is twenty times higher. Besides, the influence on forests is very serious. It takes about fourteen million trees to produce ten billion paper bags, which happens to be the number of bags used in the United States yearly. In terms of recycling, the idea that paper bags are more environment- friendly than plastic ones can be quickly given up. Research shows it requires about 98% less energy to recycle plastic than it does paper.     Even though paper bags might be more harmful than plastic ones, plastic still seems to be considered by governments as the more harmful of the two. In Ireland, for example, a tax has been introduced to discourage the use of plastic bags. People have to pay 22 cents for every plastic bag, and as a result, their use has dropped quickly.     There's no doubt that it makes more sense to reuse these bags. However, we don't seem to be doing that at present. That may be because they fall apart quickly. If so,cloth bags are a better choice, but still, their production also has a bad influence on the environment. So what to do? How should we answer the question of"Paper or plastic?" It seems that we first need to ask ourselves one more general question:"What can I do to help the environment?" （1） What's commonly believed about paper bags? A . They are convenient to use and recycle. B . Producing paper bags doesn't cost much. C . They are more environmentally friendly. D . Paper bags can be used by people for free. （2） What can we learn from the studies? A . Making plastic bags needs more water. B . Plastic bags have a serious influence on forests. C . Much less energy is needed when recycling plastic bags. D . Making paper bags needs as equal energy as plastic ones. （3） How does the Ireland government discourage the use of plastic bags? A . Appeal to consumers to USC paper bags. B . Reduce the energy in the production of paper bags. C . Raise people's awareness of environmental protection. D . Ask consumcrs for extra money if they usc plastic bags. （4） What will be probably talked about in the following paragraph? A . The measures the govemment will take. B . The disadvantages caused by plastic bags. C . The action we can take to protect the environment. D . The differences between plastic bags and paper bags. 答案： C C D C

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