使声带外展、声门变大的肌肉是A．环杓侧肌 B．环杓后肌 C．环_爱下问搜题

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问题单项选择题

使声带外展、声门变大的肌肉是

A．环杓侧肌

B．环杓后肌

C．环甲肌

D．甲杓肌

E．杓肌

答案

参考答案：B

单项选择题

A．He was talking in a newspaper advertisement.

B．He was talking to a newspaper salesman.

C．He was talking at a newspaper office.

D．He was talking at a car dealer’s.

填空题

关系模型用【16】实现表与表之间的联系。