肺部大范围炎症破坏，坏死组织液化并经支气管排出后的结果是()A_爱下问搜题

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问题单项选择题

肺部大范围炎症破坏，坏死组织液化并经支气管排出后的结果是()

A．渗出

B．钙化

C．增殖

D．纤维化

E．空洞

答案

参考答案：E

选择题

We were about to climb up to the top of the mountain _____ it began to rain heavily.

A. as
B. while
C. when
D. since

问答题

他们胸怀祖国，放眼世界，大力发扬了敢拼敢搏的精神，终于夺得了冠军。