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  3. Fear can be an effective way to change behavior. One study compared the effects of high-fear and low-fear appeals on changes in

Fear can be an effective way to change behavior. One study compared the effects of high-fear and low-fear appeals on changes in

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问题    Fear can be an effective way to change behavior. One study compared the effects of high-fear and low-fear appeals on changes in attitudes and behaviors related to dental hygiene(卫生). One group of subjects was shown awful pictures of【C1】______teeth and diseased gums; another group was shown less frightening materials such as plastic teeth, charts, and graphs. Subjects who saw the frightening materials reported more anxiety and a greater【C2】______to change the way they took care of their teeth than the low-fear group did.
   But were these reactions actually【C3】______into better dental hygiene practices? To answer this important question, subjects were called back to the laboratory on two【C4】______ (five days and six weeks after the experiment). They chewed disclosing wafers(牙疾诊断片)that give a red stain to any uncleaned areas of the teeth and thus provided a direct【C5】______of how well they were really taking care of their teeth. The result showed that the high-fear appeal did actually result in greater and more【C6】______changes in dental hygiene. That is, the subjects【C7】______to high-fear warnings brushed their teeth more【C8】______than did those who saw low-fear warnings.
   However, to be an effective persuasive device it is very important that the message not be too frightening and that people be given【C9】______guidelines to help them to reduce the cause of the fear. If this isn’t done, they may reduce their anxiety by denying the message or the【C10】______of the communicator. If that happens, it is unlikely that either attitude or behavior change will occur.
A)accustomed I)eligible
B)carefully J)exposed
C)cautiously K)indication
D)concrete L)occasions
E)credibility M)permanent
F)decayed N)sensitivity
G)desire O)translated
H)dimensions
【C3】
选项
答案O
解析 空格所在句为一般疑问句，助动词were位于句首，而且空格后为介词into，据此推知，空格处应该填入一个动词，而且该动词能和介词into搭配，且为过去分词形式。根据上下文内容可知，前一段主要提及两组受试者的不同反应，而下文主要谈论他们在口腔卫生方面的做法，由此可知，本句起到了承上启下的过渡作用，句意应该为“这些反应能够切实地转化成更好的口腔卫生行为吗”，故确定答案为O)translated“转化，转变为”。备选项里还有accustomed“使习惯于”，exposed“使暴露，使陷入”两个动词的过去分词形式，但均不符合句意，故均可排除。
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