汶川地震,举世同悲; ,患难与共,尤显炎黄子孙血浓于水的同胞情。国殇之日,重生之时;中国挺住,四川雄起,愈见华夏儿女 的民族魂。
A.风雨飘摇 百炼成钢 | B.风雨飘摇 百折不挠 |
C.风雨同舟 百炼成钢 | D.风雨同舟 百折不挠 |

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

