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Look at this picture. It is our new classroom. It is big and clean. The desks and chairs are blue. The teacher’s desk is near the blackboard. There are twenty storybooks and some notebooks on the teacher’s desk. This is my new friend, Lucy. She is from the USA. She is tall and thin. She has long hair. She has glasses and her shoes are red. She is friendly and cute. Her father is a doctor. Her mother is a teacher. Lucy and her parents are my good friends.
1．The new classroom is big and clean.2．The teacher’s desk is near the blackboard.
3．There are some storybooks and twenty notebooks on the teacher’s desk.
4．Lucy has short hair.
5．Lucy’s father is a teacher.
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
