单项选择题

Questions 11-13 are based on the following talk. You now have 15 seconds to read Questions 11-13.
When a bone bends but does not break, it is called ______ .

A．a hairline fracture
B．a comminuted fracture
C．a bowing fracture
D．an open fracture

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单项选择题

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American men are more likely than women to smoke cigarettes and drink ______ .

Questions 11-13 are based on the following talk. You now have 15 seconds to read Questions 11-13. When a bone bends but does not break, it is called ______ . 您的浏览器不支持 audio 元素。