题目内容

气-血屏障有

A. 肺泡腔表面液体层
B. Ⅰ型肺泡上皮与基膜
C. Ⅱ型肺泡上皮与基膜
D. 薄层结缔组织
E. 一层连续的毛细血管内皮与基膜

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受双重血液供应的器官有

A. 肝
B. 脾
C. 垂体
D. 肺

肺泡隔有

A. 胶原纤维
B. 弹性纤维
C. 毛细血管
D. 尘细胞

[音频]

A. She should talk about the promotion with her boss.
B. She should keep shut until a better job is available.
C. She should quit her job to get a better one.
D. She should urge her boss to keep the promise.

[音频]

A. She can't understand the man's point of view.
B. The man should earn the bread.
C. The man is responsible for his family.
D. She can't agree more with the man.

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