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【单选题】
下图是下丘脑参与的人体部分生理调节过程。相关分析正确的是 [ ]A.
当刺激a处时，该部位的膜外电位变化情况是由负变正
B.
若物质e能促进甲状腺的生长和发育，则物质d的靶器官是垂体
C.
若b为垂体细胞，则物质c必然由垂体合成并分泌
D.
当身体的感受器受到寒冷刺激时，产生的兴奋将通过a传至下丘脑中的体温调节中枢
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皮皮学刷刷变学霸
举一反三
【单选题】The author cites his dog to show that dogs______.
A.
are dissimilar to parrots in many aspects
B.
are likely to be frightened by loud sound
C.
have much higher intelligence than birds
D.
are animals with high native intelligence
【单选题】-Are t here any dogs in the house? -No, there aren't ________. [ ]
A.
one
B.
some
C.
any
D.
many
【单选题】—Why do many people keep dogs as pets? —Because they are our ____ friends and they never desert their masters.
A.
wise
B.
brave
C.
loyal
D.
handsome
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