白天,小艇在威尼斯zòng héng(_________)交错的河道上来回穿梭。有的人去做生意,有的人去作dǎo gào(_________)。大家有时打开chuāng lián(________)看风景,有时和同行的人谈笑风生,耳旁不时传来一片huá xiào(_________)。夜晚,大大小小的船都tíng bó(_________)在mǎ tóu(_________)上,威尼斯一片沉寂。
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