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Which one could be the best title of the article? Teenagers and adults have had a 50% better chance of not developing tooth dec
Which one could be the best title of the article? Teenagers and adults have had a 50% better chance of not developing tooth dec
admin
2009-06-24
45
问题
Which one could be the best title of the article?
Teenagers and adults have had a 50% better chance of not developing tooth decay since______.
选项
A、they started brushing their teeth more.
B、the 1960s.
C、amalgam fillings have been replaced by plastic polymer.
D、Pierre Fauchard’s book was released.
答案
B
解析
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公共英语五级笔试题库公共英语(PETS)分类
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公共英语五级笔试
公共英语(PETS)
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