吧 吗 呀 呢
(1)燕子,燕子,你为什么飞得这么低( )?
(2)是要下雨了( )?
(3)小白兔,你快回家( ),小心淋着雨。
(4)是要下雨了,我们正忙着搬东西( )!
A.呀 吗 吧 呢 | B.吗 呀 呢 吧 |
C.吧 呢 呀 吗 | D.呀 吧 吗 呢 |
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