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举一反三
【单选题】对上颌窦癌诊断最有价值的CT征象为：
A.
窦腔密度高伴骨质破坏
B.
窦腔密度高伴骨质增生
C.
窦腔密度高伴骨壁膨胀
D.
窦腔密度高伴气液面
E.
窦腔密度高伴同侧鼻腔高密度
【单选题】下列对上腭生理功能的描述，哪个是错的（）
A.
分隔鼻腔和口腔
B.
与吞咽及发音有关
C.
通过软腭的肌肉活动控制鼻腔口腔之间的闭合程度
D.
吞咽时软腭可防止食物进入鼻孔
E.
发音时，软腭有助于气流从鼻后孔排出鼻外
【单选题】A teacher was worried that her students might not know about Jesus Christ. She wanted to make sure they understood that the birth of Jesus happened for real. She asked her class, "Where is Jesus today...
A.
She thought he was a real person.
B.
She thought he came from the Heaven.
C.
She didn’t know who he was.
【单选题】对上图描述错误的是( )
A.
节点A到节点B的转移概率是1
B.
节点B到节点C的转移概率是1
C.
节点C到节点A的转移概率是1
D.
节点C到节点A的转移概率是1/2