1.旅游(lǚ) 侵蚀(chí) 避开(bì) 情愿(yuàn) (_____)
2.筑巢(zhù) 堤坝(dī) 巢穴(xuè) 栖息(qī) (_____)
3.扫帚(sào) 繁殖(zhí) 蝙蝠(piān) 惨祸(cǎn) (_____)
4.踌躇(chú) 颓丧(tuí) 折腾(zhē) 频繁(pín) (_____)

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

