搜索
| A. Where are you going? B. Where are you? C. Are you going for an outing? D. Are you fishing? E. What are you doing? |
A: Hello, Mike.
B: Hello, Peter.
A: 1．
B: I'm reading a map.
A: 2．
B. Yes, we are.
A: 3．
B. We are going to the park.
A: Great! It's a good place. Let me show you a picture.
B. Oh, I see the lake is like a diamond.4．
A: I'm here.
B.5．
A: No. I'm swimming in the lake.
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
