B. He gets up at 7 o’clock in the morning.
C. She gets up at 6 o’clock in the morning.
B. We start class at 9:00 a.m.
C. We play sports at 9:10 a.m.
B. I usually go swimming on Saturdays.
C. I usually go swimming on Fridays.
B. I often play sports at 3:30 p.m.
C. Yes, I am.
B. I go shopping with my mum.
C. I go shopping at 5 o’clock in the afternoon.
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