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1．What's this? ( )
| A．What are they? |
| B．What is that? |
| C．What is it? |
| A．That elephant is fat. |
| B．That elephant is small. |
| C．This elephant is short. |
| A．They're small. |
| B．They're short. |
| C．They're tall. |
| A．Here's a fat baby tiger. |
| B．Here's a thin mother tiger. |
| C．Here's a thin baby tiger. |
| A．That panda is small and thin. |
| B．That panda is short and fat. |
| C．This panda is big and tall. |
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
