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A crow（乌鸦）is thirsty. He wants to drink some water. He finds a bottle, and there is a little water in it. But the neck of the botte is too long; the crow can't get the water. The crow thinks over and over again, and then he has a good idea. He puts some small stones in the bottle, and the water rises up（上升）. Now he can drink the water. What a clever crow!
1．The crow feels _________.（ ）| A．hungry | B．thirsty | C．hot |
| A．water | B．milk | C．juice |
| A．some | B．much | C．a little |
| A．water | B．small stones | C．big stones |
| A．clever | B．big | C．fat |
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
