题目内容

形函数的性质中，在单元任一点上，三个形函数之和不等于1

A. 对
B. 错

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简述平面悬臂梁的有限单元法的步骤

Ithasbeenreplacedbydeadboltlocks,securitychains, (1)alarmsystemsandtripwires (2) a policestationorprivateguardfirm.Many (3) families haveslidingglassdoorsontheirpatios,withsteelbarselegantly (4) sonoonecanprythedoorsopen. Itisnot (5) ,inthemostpleasantofhomes,toseepastedonthewindowssmallnotices(6) thatthepremisesareunder(7)bythissecurityforceorthatguard company.Thelockisthenew(8) ofAmerica.Indeed,a recentpublic-serviceadvertisementbyalargeinsurancecompany (9) notchartsshowinghowmuchatriskwe are,buta pictureofachild'sbicyclewiththenow-usualpadlock (10) it.

中国的文字是什么时候统一的（）

A. 秦
B. 汉
C. 唐
D. 明

（）保留了文字的体形

A. 楷书
B. 草书
C. 隶书
D. 小篆