BPD（支气管肺发育不良）多见于（）
A.早产儿
B.足月儿
C.巨大儿
D.晚期新生儿
E.大于胎龄儿
参考答案：A
The speaker raised his voice but still couldn’t make himself _____.
A．hear
B．to hear
C．hearing
D．heard
基托组织面局部缓冲的是
A．正中关系错B．义齿固位差C．前牙咬切功能差D．下颌隆突处压痛E．说话及大开口的义齿脱落
