假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下短文。短文中共有10处错误，每句中最多有两处。错误涉及一个单词的增加、删除或修改。

增加：在缺词处加一个漏字符号（∧）, 并在此符号下面写出该加的词。

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：每处错误及其修改均仅限一词

    On Wednesday of this Culture & Art Week, we invite the American teacher Prof. Hudson to our school. He gave a class to us and his class left us a very deeper impression.

    Prof. Hudson had a free talk with us in the simple but humorous English. He spoke slowly and clearly so that we could follow her well. In the same time, he would repeat that we did not understand.

Greatly encouraging, most of us took an active part his class.

    From his lessons, we came to the conclusion that it is not so difficult to learning English well.

“一带一路”倡议提出三年多来，全球100多个国家和国际组织参与其中，如多个国家和国际组织与中国签署合作协议。通过推动基础设施改造升级，提升各国间的互联互通，进而实现了各国的互利共赢和共同发展。“一带一路”建设蕴涵的哲学道理是（    ）

①改变事物的状态，建立新的联系就能够实现质的飞跃

②事物之间的相互联系、相互作用构成事物的变化发展

③要把握事物的多样联系，积极创造事物间的自在联系

④注重各个要素的有机整合，可以发挥整体的最佳功能