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B: 1． It was about a dog.
A: 2．
B: It made me sad. What did you do yesterday?
A: I went to Jim’s birthday party.
B: 3．
A: First, we sang Happy Birthday. After that, we ate a birthday cake and gave gifts. 4．
B: I think it was great.
A: 5．
| A．What did you do at the party? |
| B．Yes, we were very happy. |
| C．I went to the cinema and watched a film. |
| D．Finally, we played games. |
| E．What do you think of the film? |
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
