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It’s Children’s Day this Saturday. The children are going to have a party at Mike’s house. Su Hai is going to buy some snacks and drinks. Wang Bing is going to bring some fruit from home. Yang Ling is going to bring some toys and play with her friends at the party. Liu Tao is going to buy some balloons for the party. They are going to be happy.
1．It is Children’s Day this Sunday. （2．They are going to have a party at Wang Bing’s house. （
3．Su Hai is going to buy some drinks and snacks. （
4．Liu Tao is going to buy some toys. （
5．Yang Ling is going to bring some toys, too. （
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
