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The weekend is coming. I will have a happy weekend. On Saturday morning, I'm going to do my homework. Then I'm going to the park with my friends. We are going to have lunch together. In the afternoon, we're going to the library to borrow some books. In the evening, I'm going shopping with my family, then we'll have dinner outside together.
On Sunday morning, I'm going to have a picnic in the park with my classmates. We're going to listen to music, sing and tell stories. We'll have a happy time in the park.
This is my busy and happy weekend plan（计划）. What about you?
1. do my homework2.
3.
4. go to the library
5.
6.
7. have a picnic
8.
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
