搜索
I am busy on weekends. On Saturday morning, I always go to my music club. On Saturday afternoon, I often stay at home and do my homework. Sometimes I go shopping. On Sunday morning, I help my mother clean the room. On Sunday afternoon, I often play ping-pong or basketball.
1．I am _________ on weekends. ( )| A．free | B．busy | C．sad |
| A．go to my music club | B．play ping-pong | C．do the dishes |
| A．stay at home | B．do my homework | C．A and B |
| A．clean the door | B．clean the room | C．do the dishes |
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
