
A.将X放于D点后刺激C点,若肌肉收缩,则X不能阻断兴奋在神经纤维上的传导 |
B.将X放于D点后刺激E点,若肌肉收缩,则X可阻断兴奋在神经元之间的传递 |
C.将X放于B和D点后刺激E点,若肌肉不收缩,则X可阻断兴奋在神经元之间的传递 |
D.将X放于B点后刺激A点,若肌肉收缩,则X不能阻断兴奋在神经元之间的传递 |

同类型试题

y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2


y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2

