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Tom is a boy of eight. He and Jim are in the same (相同的) class. Jim is good at Maths. But Tom is not a good student. He doesn't like to go to school. He can only count (数) from I to 10.
One day his teacher has a talk with him, “All the boys and girls in our class work hard. What do you do every day? Don't you want to be a good boy?” “I watch TV in the evening every day. I know a lot about sports. I am going to be a referee (裁判员).” Tom says.
“What referee are you going to be?” the teacher asks.
“A boxing (拳击) referee,” Tom answers.
“Why?” asks the teacher.
“A boxing referee only counts from I to 10” Tom says.
1．Jim is Tom's classmate.2．Jim is good at sports, but Tom isn't.
3．Tom's teacher thinks Tom doesn't work hard.
4．Tom watches TV every evening.
5．A boxing referee can only count from 1 to 10.
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
