中国近代思想家郑观应在《盛世危言》中提出：“欲自强，必先致富；欲致富，必首在振工商，必先讲求学校，速立宪法，尊重道德，改良政治”，由此判断郑观应是（    ）

说说《我们上路了》中“相思鸟、金孔雀、橄榄树、曼陀铃象征的意义。

____寒季没有白天，只有黑夜，常有美丽的“南极之光”出现。

____南极在地球的最南面，是世界上最冷的大陆。一年只有寒、暖两季。

____有人把南极叫“海豹王国”，这里有三千多万头海豹。

____暖季没有黑夜，整天太阳高照。

____不过企鹅的数量最多，有一亿多只。

增加：在缺词处加一个漏词符号（∧），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。

    Personally, I think honesty education is basic necessity. First of all, course on honesty should be offered to students, and activities like story-telling and lectures are also worth tried. With the concept of “being honest” deep rooted in their minds, honesty can be reflected in our daily life and study. However, related rules and regulations should be applied for evaluate students in aspects such as homework, tests, and relationships with teachers and parents. Last but not least, we'd like strict measures carrying out to punish those that cheat constantly. As a result, they must take responsibility for their bad behaviors, thus reducing chances of cheating the next time.

用配方法解方程$x^2-4x+1=0$，下列配方正确的是（    ）