A.聂荣臻 B.彭德怀 C.叶剑英
(1)山高路险坑深,大军纵横驰奔。谁敢横刀立马?唯我彭大将军!
(2)素有“儒将”之称,每临大事有静气,能在历史的关键时刻明断是非,果敢抉择。
(3)为国防科技事业,特别是“两弹一星”的研制殚精竭虑、鞠躬尽瘁。
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