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Linda: Hi, Lucy.
Lucy: Hi, Linda.
Linda: What’s that in your hand?
Lucy: It’s a picture. Mother’s Day is coming. I paint it for my mum.
Linda: Wow. It’s a picture of a beautiful woman. Is she your mum?
Lucy: Yes.
Linda: You can paint very well.
Lucy: Thank you. What will you do for your mum?
Linda: I want to write a letter (信) to her.
Lucy: That’s a good idea.
1．Linda and Lucy are sisters. （____）
2．Lucy paints a picture for her mum. （____）
3．Lucy can’t paint very well. （____）
4．Lucy’s mum is young and beautiful. （____）
5．Linda wants to write a letter to her mum. （____）
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
