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B:
A:I heard that you won the first prize in the speech competition of your school. Congratulations!
B: Thank you. You know July 1 this year is our Party’s 100th birthday. We had the speech competition for celebrating it.
A:
B: Yes. I talked about the history of our great Party and the great changes in our country in my speech.
A: Oh, we are also preparing some activities for it these days.
B:
A: An art show and a big singing competition.
B:A singing competition?
A: It will be held on the afternoon of June 25.
B: I like singing. Can I watch it?
A:
B: OK. See you then.
A: See you.
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
