charitable is concerned with giving help to the poor.（)
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一均质等截面直杆的重心在其全长的中点处，若把它完成半圆形，其重心在圆心处。（)
The girl makes a magic word to save Wilbur from being slaughtered.（)
There is a mother pig in the barn, who is kind to Wilbur.（)
Belle's favorite book is about far－off places, daring sword fights, magic spells, a prince in disguise.（)
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