1.哈尔威船长站在指挥台上大声吼喝:“全体安静,注意听命令!把救生艇放下去。妇女先走,其他乘客跟上,船员断后。必须把这六十人救出去!”(________)
2.黄继光突然站起来了!在暴风雨一样的子弹中站起来了!他举起右臂,手雷在探照灯的光亮中闪闪发光。(_______)
3.大海上夜色正浓,烟雾弥漫。(________)
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