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Hello, my name is Li Hao. I am a boy. I have a new classroom. Let’s go and see! What’s in the classroom? One blackboard, one computer, many desks and chairs. There’s a picture on the wall. Peter and I are in the picture. Peter is my new friend. He’s an American(美国的) boy. He’s tall and thin. He has glasses and his hair is brown. He’s quiet and friendly.
1．Li Hao has a new classroom.2．There is a fish bowl in the classroom.
3．Peter is an American boy.
4．I’m tall and thin.
5．Peter’s hair is brown.
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
