我国第六次全国人口普查结果公布，如图 是“历次普查每10万人拥有的大学文化程度人口”的有关数据，从中可以看出（    ）

如图所示是小明 “探究影响滑动摩擦力大小的因素”的实验。铜块和木块的大小和形状完全相同。在实验前，小明提出了以下几种猜想：

猜想一：滑动摩擦力的大小与压力的大小有关

猜想二：滑动摩擦力的大小与物体间接触面的粗糙程度有关

猜想三：滑动摩擦力的大小与物体间的接触面积大小有关

$\frac{48}{35}÷\frac{13}{19}+\frac{22}{35}÷\frac{13}{19}=$ ____

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。

    My name is Lihua, who is Senior 3 student from Xing Guang Middle School. Every day I have to get up on 6:10 am, when much people are still sleeping. I'm busy with my studies because I have a lot of homework to do, which make me feel under great pressure. English is the subject in that I'm interested. When I feel stressing, I'll turn to my best friend Mike for help. We have been best friend since we are very young. Whenever I'm in trouble, he will cheer him up. Now I'm trying my hard to prepare for the college entrance examination. I hope to be admitted into Zhejiang University.