弈秋,通国之________。使弈秋诲二人弈,其一人________,为弈秋之为听;一人虽听之,一心以为有鸿鹄将至,思________。虽与之俱学,________。为是其智弗若与?曰:非然也。
1.把课文补充完整。弈秋,通国之
2.解释文中划线的部分。
①通国:
②为弈秋之为听:
③诲:
④为是其智弗若与:
3.本文选自《
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