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It is Saturday. Lily and Lucy are in the library.
Lily: Do you like magazines, Lucy?
Lucy: No, I don’t. I like s1．, because stories are i2．.
Lily: I like picture books. I can l3． a lot from them.
Lucy: Be quiet. Look at that s4．. We can’t t5． here.
Lily: I’m sorry. And I know we can’t e6． or d7． here.
Lucy: Yes. You are right.
Lily: Look at that man. What is he doing?
Lucy: Oh no! He’s s8．.
Lily: Sir, you can’t smoke here. Look at that sign. It says “No s9．”.
Man: Sorry, I will not do that a10．.
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
