There are four seasons in a year. They are spring, summer, autumn and winter. Spring is an ice season in the year. The flowers bloom, and the
trees turn green. Everywhere is very lovely. Summer is very hot. Children like to swim in summer. Autumn is a harvest season in the year. There are so many fruits in autumn. Winter is a cold season. Everywhere is white. Children like to skate in winter.
( )1. There are four seasons in a year.
( )2. It's very hot in summer.
( )3. There are many fruits in autumn
( )4. Children don’t like to skate 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

