夫惊以其忽然而遇之,使习见习闻则不惊矣()|导之以其所便,开之以其所苦() |
A.义理开导法
B.以情志相胜法
C.习见习闻法
D.消愁怡悦法
E.气功引导法
参考答案:C|A|
_____ number of foreign guests were invited to the meeting, but _____ of 20 foreign guests didn't turn up.[ ]
A. A, totally
B. The, in total
C. A, a total
D. A, in all
设实方阵A=(aij)4×4满足aij=Aij(Aij为aij的代数余子式,i,j=1,2,3,4),a44=-1,则
的解为______。