第60页 - 译林英语初中补充习题九年级

Forensic scientists visit the scene of every crime and look for clues.

Forensic science is not a new thing, though we are still learning today.

Forensic scientists look for fingerprints first because they are accurate.

No two people, except identical twins, have the same DNA.

Since the 1980s, DNA has become one of the most important things to help solve crimes.

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