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It's the second Sunday of May. Today is Mother's Day. I want to help my mother and make her happy. My mother is washing the dirty dishes. I ask,"May I help you?" My mother says," Sure. You can dry the dishes. Here is the towel(毛巾)." Now the dishes are clean and dry! My mother says," Good work, son! You are a good boy." I say," You are a good mother, too. Happy Mother's Day!"
1．Today is Saturday. （2．My mother is cooking. （
3．I dry the dishes with the towel. （
4．My mother and I are in the kitchen. （
5．I'm my mother's son. （
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
