问题
问答题 简答题
锁骨中外1／3处骨折的主要移位的机制是什么？
答案
参考答案：
锁骨中外1／3骨折产生移位的机制有二：
①内侧断端受胸锁乳突肌的牵引向后上方移位。
②外侧断端受上肢的重力和胸大肌的牵拉向前下方移位。
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锁骨中外1／3处骨折的主要移位的机制是什么？
参考答案：
锁骨中外1／3骨折产生移位的机制有二：
①内侧断端受胸锁乳突肌的牵引向后上方移位。
②外侧断端受上肢的重力和胸大肌的牵拉向前下方移位。
完型填空 The sun is shining and it’s very hot. 1 many people don’t want to go out after 2 . Mrs West has to(不得不) 3 her father at the airport. Her father doesn’t feel well, he wants to see a 4 in the city hospital. Now she’s 5 in the street. There 6 no trees and she feels very 7 . But she’s too 8 and can’t walk fast(快). Suddenly she finds(发现) a 9 walking behind her. She gets angry and her face turns red. “Why are you walking 10 me, boy?” She asks strictly. “It’s cooler”. The boy answers.
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