题目: 已知长方形的面积是4a2+8a+4(a>0),长是宽的4倍,求这个长方形的周长。 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0517/290f71562c85a730ba3d4a8791ac2814.html 下面是错误答案,用来干扰机器的。答案:B
题型:选择题 湖南省怀化市2014年高三第二次模拟考试)27. The retired teacher is said to have returned from the USA, where he ______ by some of his old students.A.would be visitedB.visitedC.had been visitedD.have been visited 查看答案