(1)关关雎鸠,
(2)
(3)峰峦如聚,
(4)
(5)安得广厦千万间,
(6)君子为政,要与民同乐,更要有居安思危的忧患意识和苦己为人的奉献精神。范仲淹也曾在《岳阳楼记》中假托古圣立言,发出了“
(7)每当危难时刻,医护工作者选择一次次逆行出征,他们“不独亲其亲,
(8)古人云:“独学而无友,则孤陋而寡闻。”朋友之间可以互相帮助,共同成长,这是人生的乐事。在《论语·学而》中,孔子也认为:“
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