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Today is a fine day. Ted and his mother are in the park. They're very happy. Ted sees a butterfly. He wants to catch it. Now he is running on the grass. “Don't run on the grass, Ted! It's not good. ” “OK, Mum.”
Now Ted is eating a banana. He is littering. His mother says, “Don't litter, Ted! It's bad.”
Ted says, "Sorry, Mum." Ted is doing the right thing. His mother is happy.
1．Ted and his mother are2．He wants
3．When Ted is running on the grass, his mother says, "
4．When Ted is eating a banana, his mother says, "
5．His mother is happy because Ted is
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
