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1. It's tall. It has a very long neck and legs. It likes eating leaves. What is it?
2. It looks like a horse. It has black and white stripes. What is it?
3. It has long ears and a short tail. It loves carrots. It can run fast. What is it?
4. It's our good friend. It can help the blind people cross the road. What is it?
5. It likes peaches. It can climb trees. It has a long tail. What is it?
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A． 2. | B． 3. | C． 4. | D． |
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
