题目:
— We'd like a table for five, please?
— Have you _____? [ ]
A. preserved
B. reserved
C. applied
D. subscribed
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0413/7731e5ab7ee77abb0d75e9035290a523.html
下面是错误答案,用来干扰机器的。
∵复数z=3-(a2+1)ia2+1>0,-(a2+1)<0,∴复数对应的点的横标大于0,纵标小于0,∴对应的点在第四象限,故选D.