21.下图为高等动物体内的甲状腺活动调节示意图下列有关叙述正确的是 A.�是指促甲状腺激素 B.�是指促甲状腺激素释放激素 C.�是指甲状腺 Template




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tomski21.下图为高等动物体内的甲状腺活动调节示意图下列有关叙述正确的是 a.�是指促甲状腺激素 b.�是指促甲状腺激素释放激素 coloring