A.白鹭实在是一首诗, 一首韵在骨子里的散文诗。(郭沫若《白鹭》) |
B.信赖,往往创造出美好的境界。(冯骥才《珍珠鸟》) |
C.人要做有用的人,不要做只讲体面,而对别人没有好处的人。(许地山《落花生》) |
D.这里的桂花再香,也比不上家乡院子里的桂花。(琦君《桂花雨》) |
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