题目

（09年泗阳中学模拟六）若为不等式组表示的平面区域，则当从－2连续变化到1时，动直线 扫过中的那部分区域的面积为            .p{font-size:10.5pt;line-height:150%;margin:0;padding:0;}td{font-size:10.5pt;} 答案： 答案：   p{font-size:10.5pt;text-align:left;line-height:150%;margin:0;padding:0;}td{font-size:10.5pt;text-align:left;}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10处语言错误，每句中最多有两处。每处错误仅涉及一个单词的增加、删除或修改。增加：在缺词处加一个漏字符号(∧)，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：在错的词下画一横线，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仅限一词；2．只允许修改10处，多者(从第11处起)不计分My summer travel started terribly. I was at the Shanghai Railway Station buy a ticket to Hangzhou. I was going to visit a friend here and after that I would go to Xiamen for long holiday. I bought my ticket but turned around to pick up my bag from the floor and then I realized that someone had stolen it. Luckily I had all my money on my pocket, but the only clothes I had was those I had on. It felt very strange to travel without any luggages. When I finally arrived at my friend he lent to me lots of clothes. I feel very happy that I could change my clothes at last.