Jack was a school boy. He didn’t like going to school. He always wanted to have more holidays. One day he made a telephone call to his teacher and said in a voice. The voice sounded (听起来) like his father’s. “I am sorry to say that Jack is ill in beD.He won’t go to school for three of four days.”
“Oh,” said the teacher, “I’m sorry to hear that, but I want to know who is speaking?” “My father, sir.” said Jack. The teacher got very angry.
( ) 1.Jack was very angry.
( ) 2.Jack wasn’t ill in bed.
( ) 3.The teacher was sorry to hear that Jack’s father was ill.
( ) 4.The teacher knew that Jack was speaking at last (最后).
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