Mary has a big farm. There are many vegetables on the farm. They are tomatoes, cucumbers(黄瓜), potatoes, onions and carrots. At lunch time, Mary likes to eat some tomatoes and cucumbers. At dinner time, Mary likes to eat some potatoes.
( ) 1.Mary has a big farm.
( ) 2.There are many flowers on the farm.
( ) 3.There are many cabbages on the farm.
( ) 4.Mary likes to eat tomatoes and onions for lunch.
( ) 5.Mary likes to eat potatoes for dinner.
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