Ann has awheelchair that was ()desinged for her.
A.specially
B.especially
C.special
D.especial
A.specially
B.especially
C.special
D.especial
A.specially
B.especially
C.special
D.especial
A.Semus Heaney
B.Philip Larkin
C.Carol Ann Duffy
D.Derek Walcott
A.than to go
B.more than going
C.rather than to go
D.than going
A.cinq, une, encore, comte
B.vain, commun, parlant, son
C.image, parfum, roman, vont
D.limpide, fumer, année, zone
A. Very well,thank you
B. I’m busy withmy final paper
C. I’m coming by train
D. Glad to meet you,Jack
A.bain, ancient, parfum, empire
B.longue, imiter, aimer, demain
C.coréen, brun, commune, an
D.lycéenne, année, coin, comme
设A是一n级下三角形矩阵,证明:
1)如果aii≠ajj当i≠j,i,j=1,2,...,n,那么A相似于一对角矩阵;
2)如果a11=a22=...=ann,而至少有一,那么A不与对角矩阵相似。
手工跟踪对以下各序列进行堆排序的过程,给出形成初始堆及每选出一个排序码后堆的变化。
(1)按字母顺序排序:Tim,Dot,Eva,Rom,Kim,guy,Ann,Jim,Kay,Ron,Jan。
(2)按数值递增顺序排序:26,33,35,29,19,12,22。
(3)同样7个数字,换一个初始排列,再按数值的递增顺序排序:12,19,33,26,29,35,22。