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Timetable (时间表)
8:00~8:40
| 8:50~9:30
| 10:00~10:40
|
10:50~11:30
| 2:00~2:40
| 2:50~3:30
|
Hello, I’m Joe. We have six classes a day. It’s 8:00. It’s time for English class.
It’s 8:50. It’s time for 1． class. It’s 10:00. It’s time for 2． class. It’s 10:50. It’s time for 3． class. It’s 2:00. It’s time for 4． class. It’s 2:50. It’s time for 5． class.
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
