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My name is David. Today is Sunday. On Sundays, I usually play the flute (长笛). My father usually reads the newspaper. My mother cleans the house. But today my mother is in bed. She’s ill. My father has to do the housework. Now he is cleaning the house. “David, can you help me? ”“Yes, Dad!” Now we’re washing the car. Where’s my sister, Amy? She is playing the flute for my mother. What a nice girl!
1．What day is today?2．Does David usually play the flute on Sundays?
3．How is David’s mother now?
4．Is David’s father busy today?
5．What is David doing now?
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
