炎帝和黄帝被尊称为中 * * 的人文始祖，“人文始祖”中“人文”是指         。

单句改错。

     每句中有一处错误。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：每处错误及其修改均仅限一词

1. The boy lying on the ground lied that he had lain the dictionary on the table.

2. The terrifying news made me realize how terrible problems we would face.

3. It is time that we should do something to prevent more trees from cut down.

4. I felt bad indeed when I heard someone say “Mind your manner”.

5. The reason why the lake smells terrible is that large amounts of water has been polluted.