One day, when a boy named Ted returned from school in a hurry, her mother complained, “It is six o'clock, and your school c
“Oh, mom,”said Ted,“when we play ball games,we f
The boy's mother believed him. Ted's a
He had been“kept it”by the school librarian,because he had made the l
“What a s
“I don't care,”said the boy to h
“But”, said the voice,“you used words which m
“I didn't tell a lie. ”said Ted,
Did Ted tell a lie,or did he not? What do you think?
If we use words which can deceive others, we tell a lie,and Ted's lie was a bad one, for it sounded so like the t

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

