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B: Hello, Jimmy.
A: 1．
B: I had a great time.
A: 2．
B: I went to the beach.
A: 3．
B: Yes, I took many photos.
A: 4．
B: I went skating.
A: That sounds interesting. 5．
B: I like it very much. It’s my favorite sport.
| A．How was your vacation? |
| B．Where did you go? |
| C．What else did you do? |
| D．Did you take any photos? |
| E．Did you see any sharks (鲨鱼)? |
| F．How do you like it? |
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
