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