阅读理解A
    I'm Linda．I can't find my keys．I lost them this morning．There is a Lost and Found box in our classroom．My keys may (可能)be in the box．
    Oh, there are many things in the box．This is a pencil box．What color is it? It's yellow．That is a white eraser．And what's that? It is a watch．A picture of a CD is on it．It's Sara's．Wow! I find my keys．One is to my classroom，and the other (另一个)is to my house．That green cup is Jack's．This baseball is his，too．I will(将)ask him to take his things．Three rulers, two pencils and two nice pens are also in the box．Whose are they? I don't know．
根据材料内容判断正误。

下列说法正确的是

某中学生不思学习，迷恋网吧，常常夜不归宿，屡教不改，后发展到持刀抢劫，致人重伤，结果受到刑罚处罚，这案例说明（   ） 

①只有犯罪才有社会危害性 ②靠教育不能减少违法  ③青少年要依法律己  ④违法可能发展成为犯罪

守护好优秀传统文化，就是守护我们的魂与根。但如何保护，考验着我们的智慧。有专家建议，应注重文化保护的整体性原则，即不能只保护某项优秀传统文化本身，还应保护其赖以生存并与之构成传承链条的文化、社会、经济、自然环境等因素的系统整体。同时，要根据其特点制定相应的保护策略，为其提供适宜的发展坏境，引导其适应现代社会生活，促进文化创意产业的发展，从而反过来促进整个文化系统环境的发展。

结合材料，运用《文化生活》《生活与哲学》中的相关知识，回答下列问题：

一位身高1.8m的同学站在平面镜前3m处，则镜中的像高____m，像到人的距离是____m，当他向平面镜走近时他的像的大小将____．（选填“变大”、“变小”或“不变”）