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【单选题】
关于食管的说法,正确的是A.
食管分为头部、颈部和胸部三部分
B.
为肌性管道器官
C.
全长粗细不一,有两个狭窄
D.
是消化管中最长的一段
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反馈参考答案：
举一反三
【单选题】The way of selling that Beatles demand is doomed to fail because ______.
A.
no company would accept their demands
B.
Beatles is not famous enough to adopt this way of selling
C.
it is antithetical to what makes online music store successful
D.
it only hurts the band itself
【单选题】Selling your company’s secrets to a rival is called industrial ________.
A.
fraud
B.
espionage
C.
pollution
【简答题】数控机床导轨按运动轨迹可分为 _____________导轨。按工作性质可分为___________________导轨。按受力情况可分为______________导轨。
【单选题】I only know Meredith by ______ but I have never spoken to her.
A.
chance
B.
sight
C.
heart
D.
experience
【简答题】Selling your company's secrets to a rival is called industrial .
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