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问题 单项选择题

于胸骨左缘第3、4肋间听到5／6级粗糙的收缩期杂音，P2增强，伴有震颤（）

A．房间隔缺损

B．室间隔缺损

C．动脉导管未闭

D．肺动脉瓣狭窄

E．主动脉瓣狭窄

答案

参考答案：B

材料分析题

1998年10月23日，四川省机械工业学校食堂内发生了一起严重的硫酸毁容案。该校9702班机电维修专业学生17岁的叶炎将浓硫酸泼向刚下晚自习、正在食堂就餐的同学们，造成40多名学生和职工不同程度的烧伤，其中16人住院。目前犯罪嫌疑人已被警方刑事拘留。校方称：该生平时成绩中等，事发前未与人发生矛盾，没有任何先兆。据叶炎交待，几天前他得了肝炎，去医院检查，怀疑自己得了癌症，在其复仇心理的支配下，产生了对学校和社会的强烈不满，于是做好了准备，导致了这一惨剧。 分析回答：

（1）叶炎的犯罪行为是哪些不健康心理作怪造成的？

                                                                                                                                                              

（2）导致这些不健康心理的原因是什么？ 

                                                                                                                                                               

                                                                                                                                                               

                                                                                                                                                               

（3）对我们有什么启示？ 

                                                                                                                                                               

                                                                                                                                                               

                                                                                                                                                               

                                                                                                                                                               

                                                                                                                                                               
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填空题

Swing的事件处理机制包括______、事件和事件监听者。
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