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Lily: Look! I have some new pencils and new crayons.
Mike: Oh, how many new pencils do you have?
Lily: I have fifteen new pencils and twenty new crayons.
Mike: But I can see twelve new crayons only.
Lily: The others are in my bag, under the chair.
Mike: Oh, I see. Can I use your new crayons, please?
Lily: Sure, here you are.
1．Lily has twelve new crayons.
2．Lily’s twelve new crayons are under the chair.
3．Lily has fifteen new pencils.
4．Mike can see twenty new crayons.
5．Mike wants to use the new crayons.
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
