[名词解释] 牙槽骨 alveolar bone/牙槽突 alveolar process
[名词解释] 固有牙槽骨 alveolar bone proper
[名词解释] 牙槽窝 alveolar socket
[名词解释] 骨折(fracture of bone)
[名词解释] 骨折愈合(healing of fracture of bone)
[名词解释] 峰顶 hump crest
[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.