搜索
Today is Sunday! On Sundays, I usually play the flute. My father usually reads newspapers. My mother usually cleans the house. But today my mother is in bed. She is ill. My father has to do the housework. "Sam, can you help me?" "Yes, Dad!" Now, we're washing the car. Where's my sister, Amy? She is playing the flute. What a lucky girl!
1．What day is today? （ ）| A．Saturday. | B．Sunday. | C．Friday. |
| A．He does the housework. |
| B．He cleans the house. |
| C．He reads newspapers. |
| A．Playing the flute. | B．Playing football. | C．Washing the car. |
| A．She is in bed. | B．She cleans the house. | C．She reads newspapers. |
| A．Sam is helping his mother wash the car. |
| B．Sam's father is very busy today. |
| C．Sam is not playing the flute today. |
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
