搜索
| | 6:30 am | 7:30 am | 8:00 am | 4:30 pm | 7:00pm | 9:00 pm |
| Xiaoyong | get up | go to school | go morning exercises | go swimming | do homework | go to bed |
1．Xiaoyong gets up at 6:30 am. （
2．Xiaoyong goes to school at eight o'clock. （
3．Xiaoyong goes swimming at four o'clock in the afternoon. （
4．Xiaoyong does his homework at seven o'clock in the evening. （
5．Xiaoyong goes to bed at nine o'clock in the evening. （
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
