题目

若复数z满足z（1﹣i）=|1﹣i|+i，则z的共轭复数为（ ） A．       B．       C．    D． 答案：A【考点】复数代数形式的乘除运算． 【分析】由z（1﹣i）=|1﹣i|+i，得，然后利用复数代数形式的乘除运算化简复数z，则z的共轭复数可求． 【解答】解：由z（1﹣i）=|1﹣i|+i， 得= =， 则z的共轭复数为：． 故选：A．— ___________________— I have three books. [     ]A. How many books do you have?B. How many book do you have? C. How many books do you? D. How many books you have?