①她马上表示同意,一面编辩子,一面往沙发那边瞧,母亲就在沙发上躺着,脸朝上,身子直得像一根铉。
②她的衣服全是黑的,但通过她的眼睛,从她内心却射出一种勇不熄灭的、快乐的、温暖的光茫。
错别字 | _____ | _____ | _____ | _____ |
改 正 | _____ | _____ | _____ | _____ |
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