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 dad is an enthusiastic runner. Influencing by him, I was very sporty before the age of 15. Therefore, after I went to high school, I stopped to taking physical exercise because of my busy schoolwork. One morning, I ran for only one minute to catch a bus, but I was quite out breath. This made me realizing that I was overweight. Then I made a decision which I would take up a sport to help myself get in shape again. A friend of me recommended(推荐) a swimming pool not far away from my house. Now I go swimming several times one week and have started to feel the benefit of regularly exercise. Swimming makes me relaxed and energy.

动物是人类的好朋友，下图中分别列举了鲫鱼、蚯蚓、野鸭、家兔和蝗虫五种动物，请分析回答问题：

上海世界博览会开园仪式在上海世博中心举行。自英国伦敦举办第一届世博会算起，世博会已有159年历史，而中国人的世博之梦也已持续百年。如今，中国人美梦成真。近些年来，中国人不仅圆了世博梦，还圆了很多梦：港澳回归梦、入世梦、奥运梦、飞天梦……该材料说明（     ）

下列各句中，标点符号使用正确的一句是（    ）

比15小6的数是____