语法与词汇 20.According to the American Academy of Orthopedic Surgeons, only 25% of those who suffer hip ______ever fully recover; as many as 20% will die within 12 months. Even when patients do recover, nearly half will need a cane or a walker to get around.
【正确答案】 C
【答案解析】句意：美国整形外科协会表示：髋部骨折的人中，只有25％能痊愈，20％的人会在12个月内死亡。即使病人痊愈了，这其中也有大约一半人需要借助手杖或轮椅行动。frankincense乳香。fragment碎片；(文艺作品等)未完成部分。fracture破裂；(骨头等)断裂。fraction(碎裂的)小部分。