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My friend’s eight-year-old daughter, Mary, used to stay with her grandparents in the countryside. Recently her parents brought her to town to live with them. Wild and uneducated, Mary would use rude or dirty words when she was angry. Sometimes she rolled（打滚）on the ground, which shocked all people around. Mary’s parents tried to tame（驯服）her by beating and kicking, but it didn’t work. Finally they became completely disappointed with her.
One day their next-door neighbor, a woman teacher, gave Mary a beautiful snow-white dress. It caught Mary’s eyes right away and made them shine brightly.
Mary put on the dress and became quite another person. She no longer abused（骂人）or hit others. She didn’t roll on the floor, either. She knew that running wildly was not suitable for a girl in such a beautiful dress.
Since then, Mary has changed a lot. And now she is gentle, tidy and lovely. Her parents are quite satisfied with her.
Perhaps everyone has a beautiful dress hidden somewhere in his or her heart. However, he or she may not realize it, forget it or give it up.
1．How old is Mary?2．What would Mary do when she was angry?
3．Who gave Mary the beautiful dress?
4．Did Mary still roll on the floor after she put on her beautiful dress?
5．What is Mary like 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
