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I'm David. I'm nine. I wake up at 6:30 in the morning. I have breakfast at 7:00. I go to school at 7:30. I have an English class at 8:20. I have lunch at 12:00 at school. I go to the school library at 3:30 in the afternoon. I have dinner at 6:30 at home. Oh, it's 9:00. It's time to go to bed. Good night.
1．How old is David? ( )| A．Eight. | B．Nine. | C．Ten. |
| A．six o' clock | B．seven o' clock | C．eight o' clock |
| A．at school | B．at home | C．in the library |
| A．morning | B．afternoon | C．evening |
| A．seven o'clock | B．eight o'clock | C．nine o'clock |
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
