1.为了训练爱尔莎最终回到大自然去,我首先__________________ 。慢慢地,它会_________。过了些日子,我把它悄悄地_________,并且悄悄地_________。
2.“我把它悄悄地放进狮子生活资源丰富的地区,并且悄悄地离开它。有好几次,它都饿着肚子回来了。我都又高兴又难过地接待了它”,高兴的是___________________________。难过的是_______________________________。
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