维生素D缺乏性手足搐搦症的隐匿体征包括（）。
A.面神经征
B.凯尔尼格征
C.布鲁津斯基征
D.巴宾斯基征
E.腓反射
参考答案：A, E
A project should be terminated for all of the following reasons EXCEPT:
A．Lack of team synerg
B．The project no longer meets the company's objective
C．The resources are not available to complete project activitie
D．Project funding has been significantly reduce
体积为1.0×10-3米3金属块全部浸没在水中，求金属块所受的浮力大小。
