A. 唇裂修复术 B. 腭裂修复术 C. 牙槽突裂植骨术 D. 新生儿正畸 E. 颌骨正畸术
A. 正确 B. 错误
A. 农家养的鸡 B. 建筑工程 C. 建筑用的装饰材料 D. 苹果
A. in the cold season human beings will die B. one usually builds his life on fire C. the more heat one has, the better D. it is impossible for man to live without heat