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【单选题】
血-胸腺屏障是指A.
血管后微静脉与其周围结构具有屏障作用
B.
皮质的血管与其周围结构具有屏障作用
C.
髓质血管与其周围结构具有屏障作用
D.
皮质髓质交界处血管与其周围结构具有屏障作用
E.
副皮质区的血管与其周围结构具有屏障作用
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举一反三
【简答题】分光仪的作用是将( ) 分解成按( ) 次序排列的( ) 。
【单选题】Which auto manufacturers are still producing electric vehicles?
A.
Toyota and Nissan
B.
General Motor's and Honda
C.
Ford and Toyota
D.
Honda and Toyota
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【简答题】阅读理解。 One cold winter morning, an old woman had to go to see her doctor. When she walked into the doctor's office, she told him that her right leg hurt and sometimes she could not walk. She asked him ...
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