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【单选题】
以下哪项不是不完全性Treacher-collins综合征常见的临床表现( )
A.
眶下缘外下区域可扪及骨裂切迹
B.
骨裂向下位于发育不良的上颌骨与颧骨之间的颧上颌缝
C.
眶外缘缺失、眶外壁仅由蝶骨大翼构成
D.
牙槽嵴无实际裂隙存在
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参考答案:
举一反三
【判断题】Last week the writer went to the cinema.
A.
正确
B.
错误
【单选题】Last week the writer went to the theatre . He was the theatre.
A.
on
B.
at
C.
to
D.
into
【单选题】Last week the writer went to the theatre. He was ______ the theatre.
A.
to
B.
At
C.
into
D.
On
【单选题】OSI参考模型中数据链路层的单位是?
A.
B.
报文
C.
比特
D.
【单选题】Last week the writer went to the theatre. Ha was ____the theatre.
A.
to
B.
at
C.
into
D.
on
【单选题】数据链路层的数据单位是
A.
比特
B.
C.
数据包
D.
数据报
【单选题】Last week the writer went to the theatre. He was ______ the theatre.
A.
to
B.
at
C.
into
D.
On
【单选题】物理层和数据链路层的单位分别是( )。
A.
比特,包
B.
包,帧
C.
比特,帧
【单选题】Last week the writer went to the theatre . He was the theatre.
A.
to
B.
at
C.
into
D.
on
【单选题】数据链路层的单位是
A.
B.
C.
D.
参考解析:
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