2. 外语
  3. What do a 15-year-old high school sophomore named Tanja Vogt and Thomas Paine have in common? The answer is that both inspired m

What do a 15-year-old high school sophomore named Tanja Vogt and Thomas Paine have in common? The answer is that both inspired m

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问题     What do a 15-year-old high school sophomore named Tanja Vogt and Thomas Paine have in common? The answer is that both inspired major changes in their societies by writing an essay.
    In October 1988, Vogt--a student at West Milford High School in New Jersey--read an article in her local newspaper that disturbed her. The article reported that the Board of Education had decided to use polystyrene (聚苯乙烯) trays in the lunchroom because they were less expensive than paper.
    Vogt knew from her science class that polystyrene can have harmful effects on the environment. In the first place, it is not biodegradable, meaning that it can’ t be broken down by natural biological processes. In addition, some polystyrene products release gases called chlorofluo rocarbons (CFCs氟氯化碳) into the air. Scientific evidence indicates that these CFCs break down the protective ozone layer (臭氧层) of the atmosphere.
    Vogt decided to write a paper for her social studies class on the issue of polystyrene. Her teacher, Carl Stehle, read her paper to the class. After reminding students that Thomas Paine had had to persuade many hesitant colonists to support the American Revolution, Stehle challenged his class to do something about the polystyrene problem.
    Vogt and her classmates immediately conducted a survey in the high school and middle school. They discovered that a large majority of students said they wanted to switch back to paper goods in the cafeteria. When they presented their findings to the Board of Education, the board’ s business administrator did a survey of his own. He found that roughly 80 percent of the students in the two schools would be willing to pay an extra nickel to eat their lunch from paper trays. As a result, the board voted in December to change to paper trays in all the township’ s schools as of February 1, 1989.
The word "presented" in Line 3 of Paragraph 5 can be best replaced by ______.
选项 A、appeared
B、introduced
C、challenged
D、changed
答案B
解析 语义题。这是一个大家熟知的单词，但是这里用法比较特殊。这里无法使用构词法，根据上下文猜测也无法确定，可根据语法逻辑法把四个选项放进原句进行检验。答案为B。
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