A.林伯渠(qú) 聂荣臻(qín) 按钮(niǔ) 融成(yónɡ) |
B.国殇(shānɡ) 殷红(yān) 荆棘(jí) 蹊跷(qī) |
C.乳汁(zhī) 脖颈(ɡěnɡ) 高山之上兮(xī) 遨游(áo) |
D.旗帜(zhǐ) 烽火台(fēnɡ) 掐指一算(qiā) 陕西(xiá) |
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