观察两幅图片，看春秋时期的诸侯国与战国时期的诸侯国有什么变化？

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。

Dear Mr. Johnson,

    I've learned from a newspaper that some clerks are wanting in your company. I am eager to being one of them. So I am writing the letter. My name is zhang Hua. I was born in the Hebei Province and I am in good health. I've just graduated in the Computer Department of Wuhan University. I did very good in all subjects and I am especial good at computer studies and English. I can read science books in English and doing some writing in English as well.  Beside, I know a few French. And in my spare time ,I enjoy playing basketball. As is said that your company is very famous and I'll very glad if you let me work for it. My telephone number is 027-89276628．I am looking forward to hearing from you soon.

在学习《神经调节》一节时，老师请同桌同学之间体验“膝跳反射”，向南第一次给晓东做的时候，晓东小腿不自觉迅速跳起，第二次做的时候，晓东的小腿未动。关于上述实验的分析错误的是____（填字母）。第一次实验时，神经传导途径是____。（填图中序号）

A.膝跳反射的神经中枢在脊髓   

B.膝跳反射时，膝部的韧带是感受器

C.第二次实验时大脑控制了韧带的活动

D.两次实验说明脊髓具有反射和传导两方面的功能。