搜索
Alice | Activities | Time |
| get up | 6:00 | |
| go to school | 7:30 | |
| go home | 4:30 | |
| have dinner | 5:30 | |
| go to bed | 9:00 |
2．It’s 6:00. It’s time for breakfast.
3．It’s 7:30. Alice must go to school.
4．It’s 4:30. It’s time for dinner.
5．It’s 9 o’clock. It’s time to go to bed.
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
