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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 only twelve new crayons on the desk.
Lily: The others(其他的) are in my bag, under the chair.
Mike: Oh, I see. Can I use your new crayons, please?
Lily: Sure, here you are.
Mike: Thank you.
Lily: You’re welcome.
( ) 1. Lily has twelve new crayons.
( ) 2.The twelve new cratons are under the chair.
( ) 3.Lily has fifteen new pencils.
( ) 4. Mike can see twenty new cratons.
( ) 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
