蜀中有杜处士,好书画,所宝以百数。有戴嵩《牛》一轴。尤所爱,锦囊玉轴,常以自随。
一日曝书画,有一牧童见之,拊掌大笑。曰:“此画斗牛也。牛斗,力在角,尾搐入两股间,今乃掉尾而斗,谬矣。”处士笑而然之。古语有云:“耕当问奴,织当问婢。”不可改也。——《书戴嵩画牛》
1.文中的词语2.“耕当问奴,织当问婢”说明了
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