A.千仞(rèn) 绷带(bēng) 船坞(wù) 黯然(yīn) |
B.涕泪(dì) 由衷(zhōnɡ) 革命(ɡé) 踌躇(chú) |
C.不堪(kān) 矜持(jīng) 被俘(fú) 土匪(fěi) |
D.裤褂(guà) 镯子(zhuó) 彼此(bǐ) 蓟北(jì) |
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