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Hi, I’m Tom. I'm a student. I usually get up at 7 o'clock in the morning. I do morning exercises at 8:30. Then I eat breakfast at 8:40. I have three classes in the morning. Classes start at 9:10. In the afternoon, I play sports at 3 o'clock. We finish class at 5:00 p. m. Then I go home. At 6:30, I eat dinner.
| Time | Activity |
| 7:00 a. m. | |
| 8:30 a. m. | |
| eat breakfast | |
| 3:00 p. m. | |
| eat dinner |
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
