白鹅下河
东边一条河,
西边一群鹅.
鹅儿鹅儿唱着歌,
一只狐狸跑过去,
鹅儿飞快跳下河。
1.按要求从儿歌中抄写音节。三拼音节:
整体认读音节:
2.河在
3.鹅儿为什么要跳进河里( )
A.因为他们想游泳 |
B.因为狐狸跑过来了 |
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