题目

Recently I and other Red Cross volunteers met a group of victims from Hurricane Katrina. We were there, as mental health professionals, to offer “psychological(心理的) first aid” and I was struck by the simple healing power of presence. As we walked in the gate to the shelter, we were greeted with a burst of gratitude from the first person we met. I felt appreciated, but also guilty, because I hadn’t really done anything yet. I first realized the power of presence many years ago when a friend’s mother passed away unexpectedly. I had received a call saying she had just passed如图棱柱的侧面是菱形，，D是的中点，证明： （Ⅰ）∥面 （Ⅱ）平面平面.