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Hello! My name is Peter. I have a new schoolbag. It’s big and blue. It’s a gift (礼物) from my grandma. This is my pencil. It’s green. And this is my new pen. It’s orange. I like it very much.
My friend Tim has a new schoolbag, too. It’s big and yellow. Tim has a purple pencil. It’s very long. His ruler is green and it is long, too.
1．Peter and Tim are good friends.2．Peter has an orange pen.
3．Peter’s schoolbag is big and black.
4．Tim’s pencil is long.
5．Tim has a short ruler.
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
