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A Picnic
Today is Sunday. It's a sunny day. Sarah and Amy are out for a picnic. They go to a park. It's a big park. They can see many people there. There are many green trees in the park. Near the gate, there is a lake. Some ducks are swimming in the lake and you can see lots of fishes there.
Sarah and Amy bring many things to eat, such as bread, cake, sausages (香肠), hot dogs and hamburgers. They have a picnic under a tree. After picnic they read some books and talk with each other. They have a good time.
1．Today is Saturday.2．Near the school, there is a lake.
3．It's a cloudy day.
4．Sarah and Amy go on a picnic today.
5．They have a picnic in the park.
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
