What should I do? You should take a deep breath and count to ten. How do you feel now? I can make a snowman. What’s wrong? |
Miss White: You look ill, Binbin?
Binbin: Not well. I’m going to see the doctor.
Miss White: , Oliver?
Oliver: I can’t find my glasses. I’m very worried.
Miss White: Look for it carefully, maybe you’ll find it somewhere.
Miss White: Mike, you are so excited. What happened?
Mike: It’s snowing outside.
Miss White: Zhang Peng, you look not happy. What happened?
Zhang Peng: I don’t have any friends.
Miss White: Don’t be sad. You should be nice to others and play with others.
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