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仅限一词；

2）只允许修改10处，多者（从第11处起）不计分。

    Social work is the quite new and growing career in China. It involves improving society, solve problems in relationships between people and helping people improve their lives. One thing that social workers do is to work with family members do not get on well along with each other. In the past, there are not many social workers in China. Therefore, the fast economic growth in China has caused society to change quickly, and China needs more social workers to help people deal with these change. In respond to this situation, many Chinese universities are introducing courses in social work. Social work is a very interesting and necessity career. Whether you enjoy helping people, this might be the career for you.

综合性学习

      为庆祝重庆直辖20周年，学校要制作一本《时间的痕迹——老重庆的记忆》的册子，请你完成以下任务。

甲血管与心房相连，流动脉血；乙血管与心室相连，流静脉血，这两条血管的名称依次是（　　）