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This is a classroom. You can see some girls, a boy and a teacher in it. The boy is Tom. He has golden（金色的）hair and blue eyes. He is from America. He is a new pupil. The girls are Chinese. They can speak a little English. They are talking with Tom in English. Miss Li is writing something on the blackboard.
1．There are some boys in the classroom. （_____）2．Tom’s hair is black. （_____）
3．Tom is an American boy. （_____）
4．The girls are Chinese. （_____）
5．Miss Li is talking with her students. （_____）
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
