(1)燕子去了,有再来的时候;杨柳枯了,有再青的时候;桃花谢了,有再开的时候,(
(2)我觉察他去的匆匆了,伸出手遮挽时,他又从遮挽着的手边过去。(
(3)过去的日子如轻烟,被微风吹散了,如薄雾,被初阳蒸融了。 (
(4)你聪明的,告诉我,我们的日子为什么一去不复返呢? (
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