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（ ）1. Is the ball on the chair?
A. Yes, it is. B. No, it isn’t
（ ）2. Is the car in the cap?
A.Yes, it is. B. No, it isn’t.
（ ）3. Is the bag on the desk?
A. Yes, it is. B. No, it isn’t.
（ ）4. Is the car under the box?
A. Yes, it is. B. No, it isn’t.
（ ）5. Is the elephant on the ball?
A. Yes, it is. B. No, it 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
