1.
Spring is in _________ ________ and __________.
In spring, it's _________.
We can see many beautiful ________ and _________ ________ in spring.
We can _________ __________ in spring.
2.
Summer is in __________ _________ and __________.
In summer, it's ____________.
We can _________ ___________.
We can __________ __________ ___________.
3.
Autumn is in _________ ________ and _________.
In autumn, it's ____________.
We can __________ __________.
We can _________ __________ __________.
4.
Winter is in __________ __________ and _________.
In winter, it's ___________.
We can __________ ___________.
We can __________ ___________.
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