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问题 单项选择题

周围型肺癌影像，下列不对的是

A．病变早期良恶性质难以鉴别

B．肺门周围肿块，远端阻塞性炎症

C．可出现空泡征和分叶

D．细短毛刺

E．胸膜凹陷

答案

参考答案：B

选择题

______, but he couldn’t understand the logical connection of the two subjects.

A．Having told many times

B．Having been told many times

C．He had been told many times

D．Many times as he was told
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探究题

如何理解“区域具有整体性、差异性、开放性的特征”？

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