搜索
Mrs. Black has a son and a daughter. On Mother's Day her son wants to buy a nice watch for her. But the watch is too expensive. He hasn't got enough money. So he buys some chocolates. Mrs. Black's daughter picks some beautiful flowers from the garden for her. They say “Happy Mother's Day!” Mrs. Black is very happy.
(1)Mrs. White has a ________ and a daughter.
(2)The dress is too ________ for the son.
(3)Her son buys some ________ for her.
(4)Her daughter ________ some beautiful flowers for her.
(5)Mrs. White is very happy on ________ Day.
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
