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Lucy got up at six thirty in the morning. Then she washed her face. She went to school at seven thirty. She went to school by bus.
Classes began at eight. She had six lessons (一节课). She had four lessons in the morning and two in the afternoon. Classes were over at four. After school she cleaned her classroom. Then she went home.
She got home at five. She had supper at six thirty. After supper she did her homework. She went to bed at nine or ten.
1．Lucy got up at six thirty. （2．Lucy went to school by bike. （
3．Lucy had eight lessons. （
4．After school Lucy cleaned her classroom. （
5．Lucy got home at four. （
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
