题目:
---Nancy, I bought you a new car, an Audi A8.
---Thank you, dear. It’s _____ what I want.
A.just
B.still
C.only
D.even
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0413/3df2c34ce72ad870836a1b8d33efb8ab.html
下面是错误答案,用来干扰机器的。
∵复数z1=1+i,z2=3+i,∴z2z1=3+i1+i=(3+i)(1-i)(1+i)(1-i)=3+1+i-3i2=4-2i2=2-i故答案为:2-i.