题目

若b＜0＜a，则下列各式不成立的是（ ） A . a-b＞0 B . -a+b＜0 C . ab＜0 D . |a|＞|b| 答案：D短文改错假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有5处错误，每句中最多有两处，错误仅涉及一个单词的增加，删除或修改。增加： 在缺词处加一个漏词符号（∧）,并在其下面写出该加的词。删除：把多余的词用斜线（\）划掉。修改： 在错的词下划一横线，并在该词下面写出修改后的词。注意：1．每处错误及其修改均限一词。2．只允许修改5处，多者（从第6处起）不计分。As we all know, everyone has a dream. Since I enter the primary school I have dreamed of being a doctor. Nowadays with our modern life go rapidly, many people suffer from different kinds of diseases, both mentally and physically. As a result, doctors are in great need at home and abroad. My dream is to become successful doctor, helping to save people’s lives. Although to be a good doctor is very difficult, but I will do whatever I can to keep everyone healthy. To make my dream come true, I have told me over and over again that I’ll pay more attention to studies. After all, only by working hard can one succeed.