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John: Hey, Mark. 1. _______
Mark: Really?
John: Yes. After Children’s Day, we have an English party.
Mark: 2._______
John: It’s on June 15th.
Mark: 3._______
John: I can sing an English song. 4._______
Mark: Sounds great!
| A．When is the party? |
| B．And we’ll eat delicious food at the party. |
| C．It’s in June. |
| D．We have a few fun things in June. |
| E．What can you do for the party? |
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
