In order to continue to learn by ourselves after leaving school, we must ______ learn how to study in the school now. A.after all B.in all C.above all D.at all 答案:C 解析: 略如图为心脏结构示意图,请据图回答:(1)标注出图中结构名称:[1] [6] [7] [10] (2)体循环开始于[ ] ,结束于[ ] ;(3)心脏四个腔中壁最厚的是[ ] ,图中血管8流的是 血;(4)当3和9收缩时,4和11的工作状态为 。