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1. —What’s this?
—It’s my ________. I can ________ with it.
2. —Look. Is the ________ soft or ________?
—It’s soft.
3. —Little boy, what can you paint?
—I can ________ a ________.
4. Look at my ________. It’s not ________. It’s blunt (钝的).
5. —What can you see?
—Oh, the ________ rises ________ the mountain (山).
6. —Can you see two ________ and two ________?
—Yes, I can.
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
