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Hello, my name is Sarah. I get up at 6: 50. I have breakfast at 7: 30. Then I go to school. I have four classes in the morning and two classes in the afternoon. I have lunch at twelve o’clock at school. I go home at 4: 50. Have dinner at seven o’clock. I go to bed at 9: 30.
1．Sarah gets up at _____. ( )| A．6:40 | B．6:50 | C．7:00 |
A． | B． | C． |
| A．4 | B．6 | C．7 |
| A．at school | B．at home | C．in the library |
| A．night o’clock | B．ten o’clock | C．nine thirty |
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
