指出本案例机械加压送风系统联动逻辑存在的问题，并提出正确的联动控制逻辑。

英国公学

在直角坐标系中直线l经过原点O（0,0）且与直线y=-x+1垂直。
（1）求直线l的方程。（4分）
（2）求直线l与曲线所围成的封闭平面的面积。（6分）

版面强势

简述欧洲新闻传播业第三个地区的历史发展。

请演示心脏视诊的检查方法 。

风险投资[中央财大]

设计任务：请阅读下面学生信息和语言素材，设计20分钟的英语听说教学方案。教案没有固定格式，但须包含下列要点：
   ●teaching objectives
   ●teaching contents
   ●key and difficult points
   ●major steps and time allocation
   ●activities and justifications
   教学时间：20分钟
   学生概况：某城镇普通中学初中一年级学生，班级人数40人。多数学生已经达到《义务教育英语课程标准(2011年版)》二级水平。学生课堂参与积极性一般。
语言素材：
Bob: Hi, Carol, How was your school trip yesterday?
Carol: It was great!
Bob: Did you go to the zoo?
Carol: No, I didn't. I went to a farm. Look, here are my photos.
Bob: Did you see any cows?
Carol: Yes, I did. I saw quite a lot.
Bob: Did you ride a horse?
Carol: No, I didn't. But I milked a cow.
Bob: Did you feed any chickens?
Carol: Well, I saw some chickens but I didn't feed them.
Bob: What else did you do?
 Carol: My friends and I went for a walk around the farm and talked with a farmer.

如何正确处理“规范”与“尊重”之间的关系？（易错）

牙髓温度测试