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| A．Is it spring? |
| B．What is that in your hand? |
| C．It looks so nice. |
| D．Yes, it is. |
| E．What’s he doing? |
B: OK, hurry up.
A:
B: It’s a picture of my garden.
A: Really? Is it big?
B:
A:
B: Yes, the flowers comes out and trees are green.
A:
B: He’s my cousin.
A:
B: He is flying a kite.
A: I want to visit your garden some day.
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
