1. A recent survey conducted in the New Homes magazine indicated that more than 70% of its readers are planning to purchase or build a new home over the next two years. Based on the results of the survey, the editor of the magazine concluded that over the next two years, the real estate industry is likely to experience rapid growth driven by the high market demand for new homes. Which of the following statements, if true, would be the most damaging to the conclusion of the magazine’s editor?
A The survey included over 50,000 respondents representing all major age categories.
B The survey was mailed to all the subscribers of the magazine and included prepaid postage to facilitate returning the questionnaire.
C Readers of the New Homes magazine are much more likely to be interested in buying or purchasing a home than the rest of the public.
D The number of the magazine’s readers has more than doubled over the past 2 years.
E All survey respondents received one free issue of the magazine as a token of appreciation for filling out the survey.
2. Most water companies in the United States add fluoride to tap water to help prevent cavities. Some dentists argue, however, that this practice actually causes more harm than good because people overestimate the protection afforded by the fluoride and do not take the proper steps to care for their teeth, such as brushing and flossing after every meal. If water companies did not add fluoride, the dentists claim, people would be forced to be more active
in their dental hygiene and tooth decay would decline as a result. Which of the following, if true, most weakens the dentists’ claims?
A Fluoride is widely used in commercially available dental care products.
B Most Americans are not aware that fluoride is added to tap water.
C Annual visits to the dentist are the most effective means of controlling tooth decay.
D The United States has the lowest rate of tooth decay in the world.
E Most Americans already brush their teeth daily.
参考答案：
CB
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发表于 2021-8-1 18:30:09
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