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Amy: How are you, John?
John: I’m fine. And you?
Amy: I’m fine, too. Today is Monday. I have two new classmates today.
John: Really? Who are they?
Amy: Lucy and Lily. They are twins (双胞胎).
John: That’s interesting. What are they like?
Amy: They are polite and kind.
John: Do you like them?
Amy: Yes, we all like them. We will be good friends.
John: I hope so. Goodbye!
Amy: Bye!
1．Lucy and Lily are polite and kind.
2．Tomorrow is Monday.
3．Amy, John, Lucy and Lily are good friends now.
4．Amy, Lucy and Lily will be in different (不同的) classes.
5．Lucy and Lily have the same (相同的) parents.
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
