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Tilly will have a really good summer holiday this year. She will go to the countryside with her cousin, Anna. They will take the train there. They will go to visit their grandparents. Their grandparents have a big farm. Her grandma can cook for them. Her grandpa can teach them how to ride a horse and feed the pigs. Tilly and Anna can have picnics, climb the mountains, read books under the trees. They will laugh every day and don’t want to go back home.
1．Where will Tilly and Anna go?2．When will they go there?
3．How will they go there?
4．What can their grandparents do?
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
