判断心搏骤停最简便的方法是（）

A.观察瞳孔是否散大固定

B.触摸大动脉搏动

C.人工呼吸，胸按压

D.同步直流电除颤

E.非同步直流电除颤

根据以下提示，结合事例，用英语写一篇短文。

Encouragement from a friend plays a very important role in motivating you to solve the problems you are facing．It helps you fight the difficulties and get out of an unfavorable situation you are stuck in．

注意：

（1）无须写标题，文章开头已经给出，不得照抄英语提示语；

（2）除诗歌外，文体不限；

（3）文中不得透露个人姓名和学校名称；

（4）词数为120左右。

Encouragements can serve as a ray of hope during difficult times．