1.知之为知之,不知为不知,是智也。(《论语》)
2.成群结队的大雁,在高空中比翼而飞,更是叫人感动。(《四季之美》)
3.雪一更,风一更,聒碎乡心梦不成,故园无此声。(《长相思》)
4.向来枉费推移力,此日中流自在行。(《观书有感》其二)
5.七夕今宵看碧霄,牵牛织女渡河桥。(《乞巧》)
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