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I’m in Red Sun new school. This is my classroom. Six big windows are in the wall. And you can see eight lights, some desks and chairs are in it, too. Oh, some pictures are on the wall. I have a new friend, too. He is Tom. He is very tall and strong. He has short hair and two big eyes. He has a new school bag. It’s orange and white. It’s so heavy. Three storybooks, a maths book, a Chinese book, two English books and a pencil box are in it.
1．My classroom is new and big.2．You can see six lights in the classroom.
3．Tom has short hair and two big eyes.
4．Tom has a new black and white school bag.
5．Tom’s schoolbag is heavy.
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
