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It's Friday today. Mike doesn't want to go to school. He calls his teacher in a low voice. He thinks it sounds like his father.
"Hello, Miss Liu. Mike is ill and he can't go to school today."
"Why? What's the matter?"
"He is not so good today. He has a bad cold."
"I'm sorry to hear that. But who's that speaking?" says the teacher.
"My father," Mike answers.
1．Miss Liu is Mike's teacher.2．Mike is not ill.
3．Mike's father calls Miss Liu.
4．Mike is at school now.
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
