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( ) 1. A. —How do you feel? —I feel happy.
B. —How do you feel? —I feel sad.
( ) 2. A. —Are you okay? —No, I hurt my head.
B. —Are you okay? —No, I hurt my finger.
( ) 3. A. —How many pens do you have? —One.
B. —How many pens do you have? —Three.
( ) 4. A. That's hot.
B. That's cool.
( ) 5. A. —What's this? —It's a desk.
B. —What's this? —It's a bus.
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
