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Jane and Helen are twins. This is their room. It’s nice and tidy (整洁的). There are two beds in it. The red bed is Jane’s and the blue one is Helen’s. There are two pairs (对, 一双) of shoes under the beds. The green pair is Jane’s and they’re under her bed. The white pair is Helen’s and they’re under her bed. There is also one desk and two chairs in the room. Jane’s chair is yellow and Helen’s is black. Their books and pencil boxes are in the desk. Their schoolbags are on their chairs.
1．Jane and Helen are friends.2．Jane’s bed is blue.
3．The green shoes are under the red bed.
4．The black chair is Helen’s.
5．The books and pencil boxes are on the desk.
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
