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It’s warm in spring. The trees turn (变成) green and the flowers start to grow (开始生长). I often (经常) go boating in the park. In summer, the weather is hot and it often rains. Children often eat ice-cream. In autumn, the days get shorter (越来越短) and the nights get longer (越来越长). I often go walking in the park. Winter is very cold here. It's often windy. I often jog (慢跑) to school.
1．The trees turn green in autumn.2．The weather is hot in summer.
3．The days get longer and the nights get shorter in autumn.
4．It often rains in winter.
5．I often jog to school in winter.
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
