题目内容
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提问人：网友f******g
发布时间：2022年4月18日 22:25
[单项选择题]
第三篇 Hair Detectives Scientists have found a way to use hair to figure ...What does the last paragraph tell you
A．The new technique can tell precisely where a person lives.
B．Water supplied indifferent regions all come from the same source.
C．Types of water used in different regions provide useful information for the police.
D．Hair samples provide the most important clues to identify crimes.
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