A.魔爪(zhǎo) 悄(qiāo)然 惬意(qiè) 乘(chèn)虚而入 |
B.打量(liáng) 凌(líng)晨 凝(nín)重 恬(tián)静 |
C.刚劲(jìng) 禀(bǐng)报 拎(lín)着 锄头(tóu) |
D.挑衅(xìn) 摇曳(yè) 刁难(nàn) 载(zài)歌载舞 |
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