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Today is Saturday. Peter's family is all at home. They would like to do some housework. His father says: "I can sweep the floor, and clean the windows." His mother says: " I can wash the clothes and cook the meals." Peter and his sister say: "Let's water the flowers, empty the trash and put away the clothes."
(1)It is Saturday today.( )
(2)Peter's brother is not at home.( )
(3)His father can sweep the floor.( )
(4)His mother can cook the meals.( )
(5)Peter can't put away the clothes.( )
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
