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Lucy is a little girl. She is five. Last Sunday her mother took her to visit her grandma. So they went there by train. There were only two people on the train. Lucy was very happy. She ran on the train. Her mother said, “Don't run, Lucy. Sit down." But Lucy said, "I want to see my grandma sooner(更早地), so I want the train to go faster(更快地).”
1．Lucy was five years old last year.2．Lucy and her mother went there by train.
3．There were so many people on the train.
4．Lucy was very happy.
5．She wanted to see her grandma sooner.
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
