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| A. Fido is sleeping. B. Have a look. C. Take turns. D. When is the reading Festival? E. Whose is it? |
1．A: Can we use your crayons?
B: Sure.
2．A: Hello. What are you doing?
B: I’m drawing a picture.
A: It’s lovely.
3．A: Oh.
B: Yes. He’s so cute!
4．A: The picture of Beijing is beautiful.
B: It’s Zhang Peng’s.
5．A:
B: It’s on July 2nd.
A: Wow! July is fun!
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
