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I get up at 6:30. I have breakfast at 7:00. Then I go to school at 7:20. I have class at 8:00. I have lunch in the canteen at 11:30. School is over at 4:50 in the afternoon. I go home at 5:00. In the evening, I read books and go to bed at 9:00.
1．I go to school at _______. ( )
| A．6:30 | B．7:00 | C．7:20 |
| A．in the canteen | B．at 12:00 | C．in 11:30 |
| A．4:50 | B．5:00 | C．6:00 |
| A．9:50 | B．10:00 | C．9:00 |
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
