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Tom is ten . He goes school every day. The school near his home, so he goes there on foot and comes back home on time(按时）.But today he is late .His mother asks him ,“Why are you late today?”
“I am in the teacher’s office(教师办公室）。”
“Why are you go to the teacher’s office?”
“Because my teacher asks us a question in the class, nobody(没有）can answer it，but I can .
“It’s good to answer the teacher’s question .”
“But the question is who puts ink on my chair.”
( )（1）Tom is a student.
( )（2）Today Tom comes back home on time.
( )（3）Tom’s mother is a teacher.
( )（4）Tom puts ink on teacher’s chair.
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
