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【单选题】
不是血-胸腺屏障结构组成 的是 ______ 。A.
连续型毛细血管和内皮细胞间的紧密连接
B.
内皮细胞周围不连续的基膜
C.
连续的胸腺上皮细胞突起
D.
胸腺上皮细胞基膜
E.
血管隙及其内含的巨噬细胞
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皮皮学刷刷变学霸
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【单选题】According to the professor, why do death rituals include roles for friends?
A.
Friends are more creative in performing rituals.
B.
Friends give support and comfort to the family.
C.
Friends are expected to pay the funeral expenses.
D.
Friends experience less grief than the family does.
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【单选题】Who are not the persons that people used to turn to for help to get information?
A.
Family members.
B.
Friends.
C.
Colleagues.
D.
Experts.
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