题目： 一患者不慎摔伤面部，临床检查及X线片提示下颌骨体部骨折。患者最具特征性的体征是A．上唇及牙龈的肿胀和撕裂B．摇动损伤区某一牙时，余牙随之移动C．上前牙松动D．咬合错乱E．下唇麻木 答案： 参考答案：D
题型：选择题 Is this school _____ you visited the other day?A. where B. the one where C. the one that D. that 查看答案
题型：选择题 His father and mother often argue_________ what TV programmes _________.A．with; watching B．about; watchingC．with; to watchD．about; to watch 查看答案
