2. 外语
  3. By now you know that【C1】______your money’ s worth is not just a matter of luck. It is more often the【C2】______of’ buying skill.【

By now you know that【C1】______your money’ s worth is not just a matter of luck. It is more often the【C2】______of’ buying skill.【

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问题     By now you know that【C1】______your money’ s worth is not just a matter of luck. It is more often the【C2】______of’ buying skill.【C3】______, even the smartest consumers are sometimes fooled into thinking  they are getting their money’ s worth【C4】______they are not. At one time or another, almost everyone experiences deception in the marketplace. The deception may not be【C5】______But, intentional or not, any kind of deception【C6】______consumer’ s pocket books. Some kinds endanger their health and safety as well.【C7】______, consumers need protection against the marketing of unsafe goods and false or misleading advertising. Fortunately, there are both public and【C8】______agencies working to meet the need.
    Government’s job in free enterprise system is to protect the public interest. The public is【C9】______entirely of consumers.’ When it【C10】______to protecting consumers, therefore, government has the【C11】______influence.【C12】______most consumer .products are sold【C13】______, the major responsibility for consumer protection is【C14】______by the federal government. That responsibility, however, is【C15】______by many agencies. For example, the US Postal Service works to uncover and stop dishonest【C16】______operated by mail. The National Highway Safety Bureau is【C17】______with all aspects of automobile safety. Certain federal agencies, however, have consumer protection as one of their chief purposes. Four of these are described below.
    Most federal agencies are known【C18】______their initials. FDA stands for the Food and Drug Administration,  which probably does more to protect consumers than any other agency. Its major concern is the safety, purity, and labelling of【C19】______, drugs, and cosmetics. These are the products【C20】______which consumers spend an estimated 38% of their incomes.
【C4】
选项 A、as
B、when
C、since
D、even
答案B
解析 首先，从上下文的关系中可排除C、D。A as强调两个动作同时进行，一般译为“一边……，一边……”，而且as还可用来表示原因。B when只表示所处的时间，即“当……时”，用在此处最恰当。
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大学英语四级

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