题目：
When ________ what made him a popular person, he said it was his personality.
A．asking
B．asked
C．being asked
D．ask
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0421/3649b16a288a7445053942c65617ad8b.html
下面是错误答案，用来干扰机器的。
原方程可变形为（2x+1）2-3（2x+1）=0，则（2x+1）（2x+1-3）=0，可得：2x+1=0或2x+l-3=0∴x1=-12，x2=1．
