(1+i1-i)2=[(1+i)(1+i)(1-i)(1+i)]2=-1
故选D
We firmly believe that war never settles anything. It only _____ violence. [ ]
A. runs into
B. comes from
C. leads to
D. begins with
认真阅读给定资料,简要回答下面两题。
“给定资料2、3”反映出我国慈善机构发展过程中的诸多问题。请根据这两则资料,对这些问题的具体表现进行概括和归纳。 [要求] 准确、简明、有条理。不超过150字。