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It's Sunday. May and I are at home. We are busy. We are doing our homework. My brother is busy too. He's drawing. He is making a paper bag. He wants to color the paper bag. But he doesn't have any color pens. He borrows some crayons from May. He makes this paper bag for his teacher. Because it's the Teachers' Day tomorrow.
1．Tomorrow is the Teachers' Day.（______）2．We are doing homework at school.（______）
3．My brother is making a paper plane.（______）
4．May has some crayons.（______）
5．This paper bag is for my brother's teacher.（______）
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
