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A. I'm going to sleep.
B. But I can't stop.
C. Look at the sun in the sky.
D. I can climb the tree.
E. All right.
Rabbit: I run quickly.
Tortoise: I run slowly.
Rabbit: Let's have a running race.
Tortoise: 1．
Rabbit: 2． It's hot. 3．
Tortoise: Look at the sun in the sky. It's hot. 4．
Rabbit: Where is the tortoise?
Tortoise: I'm here. I'm the winner.
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
