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Today is Children’s Day. Amy is going to have a picnic with her parents. She is so happy. But it rains in the morning, so they can't go out. Amy is angry about the rain. She reads magazines on the sofa, but there aren't new ones. She feels bored. How do Amy's parents feel? They are sad, because Amy is not happy. They take out the food for the picnic and say, "Come here, Amy. Let's have a picnic at home!" Amy is happy now. The family has a happy picnic at home.
1．Today is Teachers' Day.2．It's a rainy day.
3．Amy is not happy because she can't go out to have a picnic.
4．Amy's parents have a picnic for her at home.
5．At last Amy doesn't feel happy.
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
