搜索
[[QOrDeR]]
( )| A．I am a girl. I am seven years old. | B．I am a woman . I am old. |
( )| A．The boy likes read books. | B．The boy likes watch TV. |
( )| A．They have breakfast at 8:00. | B．They have dinner at 8:00. |
( )| A．There are five people in my family. | B．There are four people in my family. |
( )| A．Jone gets up at 7:00. | B．Jone goes to school at 7:00. |
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
