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International Children’s Day falls on the first of June. On that day, teachers have a class party for the children. They play games and have cakes together. The teachers sing and dance with the children. It’s a wonderful day for them.
On International Children’s Day, the children don’t have to go to school. Some parents take their children to see a film. Some go to the museum. All the children enjoy the holiday.
1．Children’s Day is on ________.
2．On that day, children can ________.
3．On that day, teachers will ________ with the children.
4．Children will have ________ lesson on that day.
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
