Passage 2 You may have the same shoe size as someone else. You may also have the same color eyes or
hair. But there is one thing that cannot be the same. That is your fingerprints. No two fingerprints are
alike. The curving lines on each finger make a pattern. Each print never changes, except to get
bigger as you grow.
What good are fingerprints? First, they help us to hold things. You know how the lines on a tire
help it grip the road. Fingerprints help us grip things the same way. Fingerprints also help police
identify people. Police look for fingerprints where a crime has taken place. Dust is used to show the
fingerprints. It can show prints on metal, wood, or even paper.
Before 1903, police did not use fingerprints. They identified people only by their pictures and
body size. Then a strange thing happened. Police found two prisoners in Kansas. One was named
Will West. The other was named William West. Both men looked the same. The only way to tell
them apart was by checking their fingerprints.
【題組】37.Without fingerprints, we might find it harder to_____.
(A) hold things
(B) drop things
(C) lift things
(D) forget things