B. I often clean my room and play ping-pong with my father.
C. I often watch TV and play ping-pong with my father.
B. Winter. Because I can sleep all day.
C. Summer. Because I can sleep all day.
B. It’s on April 12th.
C. It’s on April 20th.
B. The picture of Shanghai is Amy’s.
C. The picture of Shanghai is Zhang Peng’s.
B. It’s 7:30 pm. Chen Jie is reading a book.
C. It’s 9 o’clock. Chen Jie is reading a book.
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