地球上的动物根据体内有无脊柱可分为无脊椎动物和脊椎动物，鸡、珊瑚虫、蜘蛛、狗四种动物中属于无脊椎动物的是____、____，属于脊椎动物的是____、____．

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。

    When I was still young in my high school, my mother dragged me to play basketball to lose weight. However, it was turned out to be a bitter failure because I devoted my time on study. One day, a friend of mine contacted me and suggested that we started to swim. Without any hesitation, I agreed because we all thought that it was coolest thing in the world. I couldn't forget the day on that I was thrown into the cold water. Fortunately, I survived. Honest speaking, I had a hard time recovered from the shock. Then my friend teaches me to hold my breath underwater. Finally, I succeeded. Now realizing that taking exercises is beneficial to my health, I develop a strong taste for swimming, which becomes part of my life.

填入横线最恰当的一组是（    ）

       春联是文学殿堂里的一枝奇葩，它发自千人之心，出自万人之手，各展其才，各显千秋，豪放________，婉约________，粗犷________，细腻________，洋洋洒洒，蔚为大观。