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1.Spring comes in March, April and May. It is warm and rainy. Plants grow and grow in spring. There are many beautiful flowers in the park. The leaves are green.
2.Summer comes in June, July and August. It is hot and sunny. I can go to the beach. Many people like swimming in the sea.
3.Autumn comes in September, October and November. It is cool and windy. The leaves are red, brown and yellow. They fall and fall.
4.Winter comes in December, January and February. It is very cold and windy. I can hear the wind. It blows and blows.
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
