一个四棱柱被一刀切去一部分,试举例说明剩下的部分是否可能还是四棱柱.
解:沿垂直于轴截面一刀切去一部分,可得到一个四棱柱.
故一个四棱往被一刀切去一部分,剩下的部分可能还是四棱柱.
矩阵制组织形式的主要缺点是()。
A.缺乏机动性和适应性
B.不利于处理复杂问题
C.协调工作量较大
D.权力不易合理分配
—Lisa didn’t come to school yesterday, did she ?
--________ , though she was not feeling very well.
A.No, she didn’t .
B.Yes, she did.
C.Yes, she didn’t.
D.No, she did.