Linlin: Hi, Chengcheng. How are you?
Chengcheng: Hello. I’m fine, thank you.
Linlin: Are these your photos?
Chengcheng:
Linlin: When did you go there?
Chengcheng:
Linlin: Did you go there for your holiday?
Chengcheng:
Linlin: Where is Chengdu?
Chengcheng:
Linlin: Who did you go with?
Chengcheng: My parents.
Linlin: What did you do there?
Chengcheng:
Linlin: Great! You can write and tell the class about it.
A.We went there last year. |
B.We went to the zoo. I took many photos of animals. |
C.Yes. We stayed there for seven days in July. |
D.Yes, they are photos of me and my family in Chengdu. |
E.It’s in the west of China. |
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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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