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A thirsty bird
It’s hot. The bird is very thirsty. “Wow! I see a bottle with some water. Water! I need water,” the bird says. The bottle is tall and thin. The bird cannot drink the water. He can see some little stones. He says, “I have a good idea!” He put the stones into the bottle. Look! The bird can drink the water now. He is happy.
1．How’s the weather? ( )| A．Beautiful. | B．Cold. | C．Hot. |
| A．A bottle. | B．Some water. | C．A bottle with some water. |
| A．the bottle is thin and tall | B．the bottle is thin and short | C．the water is so hot |
| A．rice | B．stones | C．biscuits |
| A．clever(聪明的) | B．tired | C．hot |
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
