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Xiaoyong: Oh, who is this man?
Xiaoming:
Xiaoyong: He wasn’t old then.
Xiaoming: Yes. Now he is old.
Xiaoyong: Who’s this woman?
Xiaoming: It’s my aunt. She is a doctor.
Xiaoyong:
Xiaoming: But now her hair is short.
Xiaoyong: Who’s that little boy?
Xiaoming: It’s me! I was two years old.
Xiaoyong: You weren’t thin then.
Xiaoming: Ha ha. Yes!
| A．He was young. |
| B．Her hair wasn’t short then. |
| C．It’s my grandpa. |
| D．Here are some photos of my family. |
| E．I am thin and tall now. |
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
