元(_____)节到了,公园里(_____)售花灯。一盏盏花灯五彩缤纷,形态各异,非常好看!最好看的要数那挂在假山(_____)壁上的“双龙戏珠灯”了。瞧那边,来了两位年轻的姑娘,她们都留着齐耳的短发,发(_____)上还打着漂亮的蝴蝶结,显得特别俊(_____)美丽。一会儿,她们俩的笑声(_____)失在观灯的人群中了。
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