各型休克最基本的病理生理变化是（）。
A.组织缺氧
B.代谢改变
C.血压下降
D.微循环灌流不足
E.重要脏器受损
参考答案：D
在血气分析中，SB和AB均降低见于（）
A.代谢性酸中毒
B.代谢性碱中毒
C.呼吸性酸中毒
D.呼吸性碱中毒
E.代酸+呼酸
Directions:
Write an essay of around 200 words entitled "On Being Thrift" based on the following picture. You should interpret the picture and discuss whether being thrift should be advocated in our pursuit of happiness.
