What happened to Pete last Fourth of July? How many fireworks eye injuries occur in the U.S. each year?

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问题 What happened to Pete last Fourth of July?
How many fireworks eye injuries occur in the U.S. each year?

选项 A、About 9000.
B、About 4500.
C、About 1350.
D、About 30.

答案C

解析 短文的第三段讲到,在美国,每年发生9000多起有烟火导致的伤害,其中有一半是头部伤,而在这一半头部伤中,又有三分之一是眼伤。
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