骨折(fracture of bone)

[名词解释] 骨折愈合(healing of fracture of bone)

[名词解释] open fracture

[判断题] 击入性骨折(blow-in fracture)是当眼部被钝器击伤时，眼球突然向后移位，眶内压力剧增，致使眶底薄弱处发生骨折，骨折片、眶内软组织、眼肌等随之疝入额窦A . 正确B . 错误

[名词解释] c1osed fracture

[名词解释] 牙槽嵴顶alveolar bone crest

[判断题] 击出性骨折(blow-out fracture)系暴力击中眶外侧壁或颧部，使额颧缝发生骨折，延续到眶下壁。冲击力使上颌骨转动，导致部分眶底向下旋转进入眶内。A . 正确B . 错误

[单选题]B．One afternoon， Mrs Smith and her daughter， Lucy are in a big shop near their house． Mrs Smith likes Lucy and wants to buy a new sweater for her． Lucy doesn’t like the new sweater． She likes something to eat． So her mother buys some apples for her．

[单选题]B．One day Mrs Wilson went shopping with Tracy and Ben． They went to the supermarket in the new shopping centre．“Why do you buy things here? Tracy wanted to know． "Because they are cheaper here than at the corner store near our home，”Mrs Wilson said．

[名词解释] 固有牙槽骨 alveolar bone proper

[名词解释] 牙槽骨 alveolar bone/牙槽突 alveolar process