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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
【C8】
选项
答案C
解析 该空格位于动宾短语brushed their teeth之后，而且前面还有表示比较级的more。据此推断应该填入一个副词。根据上一句提到的信息可知，高恐惧诉求的确能够让受试者在口腔卫生方面产生更大的、更具体的变化，具体到刷牙上，高恐惧诉求的受试者应该会更谨慎，故确定答案为C)cautiously“慎重地，谨慎地”。备选项里还有一个副词carefully，其主要侧重于指一般做事的谨慎小心，而cautiously常指为了避免危险和犯错误而对自己说的话或做的事十分小心。本文中的高恐惧诉求的受试者对可怕的图片心有余悸，为了避免患上同样的疾病，会非常小心，因此cautiously更适合此处语意。
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