题目内容
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题目材料：
The use of heat pumps has been held back largely by skepticism about advertisers` claims that heat pumps can provide as many as two units of thermal energy for each unit of electrical energy used, thus apparently contradicting the principle of energy conservation.
If the author`s assessment of the use of heat pumps is correct, which of the following best expresses the lesson that advertisers should learn from this case?
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ADo not make exaggerated claims about the products you are trying to promote.
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BFocus your advertising campaign on vague analogies and veiled implications instead of on facts.
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CDo not use facts in your advertising that will strain the prospective client`s ability to believe.
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DDo not assume in your advertising that the prospective clients know even the most elementary scientific principles.
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EConcentrate your advertising firmly on financially relevant issues such as price discounts and efficiency of operation.
C显示答案
