One of Darwin's _____ problems was to discover where this variation originated.
A. dragging
B. lagging
C. nagging
D. tagging
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The dark clouds hanging over the relations between the two countries will quickly.
A. diminish
B. vanish
C. astonish
D. polish
接受来自下丘臂的听觉传导纤维的核团是
A. 腹前核
B. 内侧膝状体
C. 腹后内侧核
D. 腹外侧核
E. 外侧膝状体
属于下丘脑的结构是
A. 丘脑枕
B. 松果体
C. 髓纹
D. 灰结节
E. 内、外侧膝状体
下列核团中哪个属于后丘脑
A. 枕
B. 背外侧核
C. 腹后外侧核
D. 内侧膝状体
E. 后外侧核