1.有一天,鲁班( )船回家,看到老艄公用竹篙撑船( ) ( ) 吃力。等把船撑到对岸,老艄公( ) 经累得( ) ( ) ( ) ( )了。
2.乌鸦看见( ) ( )有许多( ) ( ) ( ),( ) ( )想出( ) ( )来了。它叼起小石子,一颗一颗地( ) ( )瓶子里。瓶子里的水( ) ( ) ( ) ( )了,乌鸦就( )着水了。
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