1.栽树时,小猪用(_______)(_______)拱树坑,小袋鼠用(_______)(_______)(_______)装肥料,小象用(_______)(______)吸水。
2.小树栽好啦!三个小(_______)(_______)(_______)拉着手,围着小树又(________)又(________)。
3.夏天蚂蚁在搬粮食,有的(_______),有的(_______),个个(_______)(_______)(_______)(_______)。而蝈蝈却在乘凉,有的(_______)(_______),有的睡觉,个个(________)(________)(________)(_______)。

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

