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【判断题】
By this time, Ferragamo was well known as a shoemaker, with rich clients all over the world. But my mother was certain he would write back. And he did, inviting us to Florence, offering to make a model of my feet at no cost. Ferragamo died before we could get to Florence. As it turned out, he did not have a child with polio. But he was a kind-hearted man, and his wife and daughters honored his letter. So my mother took me to Florence and had my feet measured. For the next ten years, I would read magazines with my mother, looking for shoes. I would send the pictures to Ferragamo’s and, for $35 a pair, I would receive the specially made shoes, and even my wedding shoes, with pearls in the shape of a butterfly. 请判断正误:On the day of my wedding, I wore a pair of Ferragamo with pearls in the shape of a butterfly.
A.
正确
B.
错误
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【判断题】T 形、 I 形截面纯扭构件计算时划分矩形截面的原则是保证的完整性。
A.
正确
B.
错误
【判断题】T、I形截面纯扭构件计算时划分矩形截面的原则是保证腹板的完整性。
A.
正确
B.
错误
【判断题】Sub过程可以通过形参与实参间按地址传递方式将结果返回至主程序中。
A.
正确
B.
错误
【单选题】构件在交变应力作用下发生疲劳破坏,以下结论中( )是错误的。
A.
断裂时的最大应力小于材料的静强度极限
B.
用塑性材料制成的构件,断裂时有明显的塑性变形
C.
用脆性材料制成的构件,破坏时呈脆性断裂
D.
断口表面一般可明显地分为光滑区和粗粒状区
【判断题】在EXCEL中对工作表重名命时,右键单击工作表标签中的表名,从菜单中选择“重命名”输入新表名即可。( )
A.
正确
B.
错误
【判断题】T、I形截面纯扭构件计算时划分矩形截面的原则是保证腹板的完整性。
A.
正确
B.
错误
【判断题】慕课同伴互评活动的练习打分阶段,可以帮助学生更好地熟悉评分标准,并体验给其他同伴打分的过程。
A.
正确
B.
错误
【简答题】集合的有关概念:一般地,把一些能够确定的对象看成一个整体,就形成一个( ),构成集合的每一个对象都叫做这个集合的( )。
【多选题】构件在交变应力作用下发生疲劳破坏, 下列说法正确的是 。
A.
断口形貌一般可明显地分为光滑区和粗糙区
B.
断裂发生时最大应力小于材料的强度极限
C.
用塑性材料制成的构件,断裂发生前有明显的塑性变形
D.
用脆性材料制成的构件,断裂发生时呈脆性断裂
【判断题】条件反射的出现意味着学习的发生。
A.
正确
B.
错误
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