(1)尽管渔夫拼命打鱼,桑娜一家自己就五个孩子,也只够勉强镇饱肚子。如今,西蒙去世,孩子还那么小,怎么生存下来是个大问题。渔夫的脸变得严肃、忧虚。( )( )
(2)作者认为自己难听的提琴声打破了老人独享的幽静,抱谦地朝老人笑笑,准备遛走。
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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