搜索
Look at the clocks. It’s 12 o’clock in London. It’s time for lunch. It’s 8:00 p.m. in Beijing. It’s time to watch TV. It’s 7:00 a.m. in New York. It’s time to get up. It’s 10:00 p.m. in Sydney. It’s time to go to bed.
1．People in London have lunch at 12:00.2．Chinese often watch TV at 8:00 p.m.
3．It’s 7:00 a.m. in New York. It’s time to go to work.
4．Sydney is 10:00 p.m. now. It’s time to go to bed.
5．People in New York usually(通常) get up at 7:00 am.
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
