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问题 多项选择题

特发性面神经麻痹的常见症状体征不正确的是（）

A.眼球向上偏斜 

B.瘫痪侧口角下垂 

C.下颌向健侧偏斜 

D.患侧鼻唇沟变浅 

E.患侧额纹变浅或消失

答案

参考答案：A, C

选择题

—Is it necessary to look up every new word when I come across it in reading?

—No. You ________， because you are likely to guess the meaning from the context.

A．can't

B．mustn't

C．don't have to

D．ought not to
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单项选择题

酸碱平衡中反映通气性因素的指标是（）.

A.PaCO2

B.PaO2

C.AG

D.SB

E.BE
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