题目

江苏省常州市横山桥高级中学10-11学年高二上学期期中考试（英语   When Robert comes back three and a half hours later, two girls are still sitting on the sofa, ______(吸引) in the conversation. 答案：ckdaabsorbed 方程x2+6x-5=0的左边配成完全平方后所得方程为（ ）A．（x+3）2=14B．（x-3）2=14C．D．（x+3）2=4