A.石窍(qiào) 石碣(jié) 石碗(wǎn) 完璧(bì)归赵 |
B.镌刻(juān) 瞑目(mín) 遮闭(zhē) 踉(liànɡ)踉跄(qiānɡ)跄 |
C.妒忌(jì) 侮辱(lǔ) 胆怯(qiè) 抓耳挠(náo)腮(shāi) |
D.缦(màn)子 都督(dū) 水寨(zhài) 喜不自胜(shènɡ) |
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