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B: Guess.
A: Is it a photo?
B:
A: Your family photo?
B: There are three. My parents and me. Look! This is my father.
A: Your father is tall and strong.
B: He’s a doctor.
A: Cool. Is your mother a doctor, too?
B:
A: Wow, she is beautiful.
B: Thank you.
| A．What’s your father’s job? |
| B．Yes. it is. |
| C．No, she isn’t. |
| D．What’s in your hand? |
| E．How many people are there in your family? |
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
