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| A. He looks taller than you. B. Who's that boy? C. No. I'm older than him. D. Come here, Liu Yun. E. How tall is he? |
Liu Yun: OK.
Sarah: 2．
Liu Yun: He's my brother, Liu Ming.
Sarah: 3．
Liu Yun: Yes. He's taller than me.
Sarah: 4．
Liu Yun: He's 1.55 meters tall.
Sarah: Is he older than you?
Liu Yun: 5．
Sarah: Oh! I see.
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
