(1)毛泽东在《七律·长征》中,用“
(2)人生难得一知己。伯牙与锺子期“高山流水遇知音”:伯牙鼓琴,锺子期听之。方鼓琴而志在太山,锺子期曰:“
(3)爱国是一种信仰,是一种深埋内心的力量。陆游曾经深情告白:“
鲁迅的话掷地有声,强调了民族精神对于一个民族和国家是多么重要:“
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