Daming: Here is the present for you.
Simon: Wow!
Daming:
Simon: I like it so much. Daming, did you make it yourself?
Daming: Yes, I did.
Simon: You’re so great.
Daming: First, I painted a dragon on a piece of paper.
Simon: I want to make a bird kite.
Daming: Of course, I will. You can take it to your school tomorrow.
A.Then I cut the paper with scissors. |
B.It’s a beautiful Chinese kite! |
C.Will you help me? |
D.It’s a Chinese dragon. |
E.How did you make it? |
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同类型试题
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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
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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
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