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Mike: Hello!
Tim: Will you do me a favour?
Mike: Sure. What can I do for you?
Tim: I’m drawing a picture for my mother. I can’t find my blue marker. Can I borrow your blue marker?
Mike: Yes, of course. My markers are in my bag. Here you are.
Tim: Thank you.
Mike: You are welcome.
1．Mike is drawing a picture.
2．Tim is drawing a picture for his teacher.
3．Tim can’t find his blue marker.
4．Tim wants to borrow one from Kate.
5．Mike’s markers are in his bag.
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
