A.狼藉/慰藉 伺候/伺机而动 日薄西山/薄利多销 |
B.悖论/蓬勃 催眠/摧枯拉朽 巍然屹立/迄今为止 |
C.包扎/扎实 巷道/街头巷尾 哄堂大笑/一哄而起 |
D.咳嗽/洗漱 晦涩/诲人不倦 负隅顽抗/无独有偶 |
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