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I’m Kevin. Children’s Day is coming. I’m going to have a party with my friends in the park. Li Shan can dance well. She is going to dance at the party. Wu Chen is going to play the music. Alice is good at drawing. She can draw some pictures for us. I can take photos. And we are helpful. We are going to be very happy.
1．Kevin and his friends are going to have a party this Children’s Day.2．Li Shan can dance well.
3．Alice is going to play the music at the party.
4．Kevin can take photos for the party.
5．Kevin and his friends are helpful.
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
