搜索
| He’s tall and thin. No, he isn’t. How many people are there in your family? He’s a doctor. What’s your mother’s job? |
Sarah: Hello! Chen Jie.
Chen Jie: Three. My parents and me.
Sarah:
Chen Jie: She’s a doctor.
Sarah: Is your father a teacher, too?
Chen Jie:
Sarah: What’s your father’s job?
Chen Jie:
Sarah: Is your father tall and strong?
Chen Jie: No, he isn’t.
Sarah: You have a happy family.
Chen Jie: Yes, I love my 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
