搜索
| Time | Saturday | Sunday | ||
| Morning | Afternoon | Morning | Afternoon | |
| Dad | fishing | playing chess | swimming | |
| Mum | housework | making cakes | swimming | |
| Ken | Chinese lesson | piano lesson | English lesson | swimming |
1．______ is the busiest (最忙碌的) at weekends. ( )
| A．Dad | B．Mum | C．Ken |
| A．fishing | B．playing chess | C．making cakes |
| A．On Saturday. | B．On Sunday. | C．In the afternoon. |
| A．One. | B．Two. | C．Three. |
| A．Fishing. | B．Swimming. | C．Playing the piano. |
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
