李老师是一位青年男班主任，工作热情高，对学生要求十分严格，经常要求学生不要讲脏话，不要乱扔废纸，要有良好的习惯等。然而在课堂上情急时，李老师经常用“笨猪”“死脑筋”之类的话批评学生。吸烟后

设Sn为等差数列{an}的前n项和。若a1=1，公差d=2，Sk+2-Sk=24

All her life, my mother wanted busy children. It was very important that her house should remain at all times clean and tidy. You could turn your back for a moment in my mother's house, leave a half written letter on the dining table, a magazine open on the chair, and turn around to find that my mother had put it back where it belonged, as she explained. My wife, on one of her first visits to my mother's house, placed a packet of biscuits on an end table and went to the kitchen to fetch a drink. When she returned, she found the packet had been removed. Confused(疑惑 的), she set down her drink and went back to the kitchen for more biscuits, only to return to find that her drink had disappeared. Up to then she had guessed that everyone in my family held onto their drinks so as not to make water rings on the end tables. Now she knows better. These disappearances had a confusing effect on our family. We were all inclined to (有 ...... 的倾向) forgetfulness, and it was common for one of us, upon returning from the bathroom, to find the every sign of his work in progress had disappeared suddenly. Do you remember what I was doing? was a question frequently asked, but rarely answered. Now my sister has developed a secondhand love of clean windows , and my brother does the cleaning in his house, perhaps to avoid having to be the one to lift his feet. I try not to think about it too much, but I have at this later time started to dust the furniture once a week.

I'm afraid you've been ______

给出下列说法： ①如果一个几何体的三视图是完全相同的

某数学老师为了维护课堂纪律，把两个在课堂上随便讲话的学生赶出教室

下列4个车标中，轴对称图形的个数为______。

用测量知识的题目去测量学生的智力，这样的测验显然缺乏______

设计教学过程实质上指的就是设计教案。

封闭在气缸内的一定质量的气体，如果保持气体体积不变，当温度升高时，以下说法正确的是( )。

什么是关系数据库?并说出目前主流的数据库。

班级管理中，班级的组织者、领导者和教育者称为______。

主插体

一位青年教师在进行公开课《伊犁草原漫记》教学时，课文第二段第三层写秋天猎人猎熊的果敢

桑代克在其前期总结出的几条主要的学习律有______。

在自我意识的三个层次中，自我认识是基础，自我体验是核心，自我调控是关键。

请根据人教版一年级上册《美丽的印纹》

色彩的分类有______

《高中语文课程标准(实验)》指出，高中语文选修课程设计五个系列。以下各项中，不属于这一系列的一项是( )。

阅读下面这首诗，写一篇不少于500字的鉴赏评论文章。 山坡羊.潼关怀古 元.张养浩峰峦如聚，波涛如怒，山河表里潼关路。望西都，意踌躇。伤心秦汉经行处，宫阙万间都做了土。兴，百姓苦；亡，百姓苦。