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Bobby: It’s Tuesday. We have a PE lesson this afternoon.
Sam: Great! Let’s play football after school.
Bobby: OK. Can Billy play football?
Sam: Yes, he can play football well. But he can’t come this afternoon.
Bobby: What’s the matter?
Sam: He has a cough and a fever. He can’t come to school today.
Bobby: I’m sorry to hear that. We don’t play football after school. Let’s go and see Billy after school.
Sam: OK. Let’s go and visit him.
1．It’s Wednesday today.
2．Billy can play football well.
3．Billy has a headache and a fever.
4．Billy can’t come to school tomorrow.
5．Sam and Bobby visit Billy after school.
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
