A.旗帜(zhì) 覆盖(fǔ) 树荫(yīn) 铺陈(chén) |
B.撵走(niǎn) 拉拽( zhuài) 睫毛(jié) 喜讯(xùn) |
C.面颊(jiá) 永恒(héng) 抚弄(fú) 手挽手(wǎn) |
D.允许(rǔn) 凋谢(diāo) 宴会(yàn) 一缕(lǚ) |
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