搜索
Today is Sunday. There isn't any fruit in the fridge. Kitty wants to buy some fruit. Now she's at a fruit shop. There are many fruits in it, such as apples, oranges, bananas and grapes. She likes to eat apples and grapes. The apples are red and sweet. The grapes are juicy. She buys six apples and some grapes.
1．There isn't any fruit in Kitty's fridge.2．Now she's in a supermarket(超市).
3．She likes to eat grapes and oranges.
4．The apples are red and sweet.
5．She buys six apples and two pears.
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
