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A Naughty Boy
John is a very naughty boy. He likes to make jokes. His classmates like him because he often makes them laugh for a long time. One day, a new student came to his class. The student said that his younger brother, Tom, never laughed. No one and nothing could make him laugh. John did not believe this, so he asked the student to bring Tom to his home on Sunday. John told Tom many funny stories. Everyone laughed, but Tom did not. At last, John gave up. On Monday, the student told John that Tom was deaf.
1．John is a naughty boy and he likes to make jokes.2．John’s classmates don’t like him.
3．The new student is deaf.
4．No one and nothing can make Tom laugh.
5．John told Tom many funny stories.
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
