A.屏障(píng) 粗犷(kuàng) 蜷伏(quán) 杞人忧天(jǐ) |
B.荤菜(hūn) 徘徊(huái) 农谚(yàn) 深恶痛疾(wù) |
C.呜咽(yàn) 筛子(shāi) 碾压(zhǎn) 抑扬顿挫(cuò) |
D.赦免(chì) 蹒跚(pán) 扒窃(bā) 草长莺飞(zhǎng) |
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