Which of the following is the best description of the proprietary colony?
A.It was controlled by group of people under the king.
B.It was controlled by an individual under the king.
C.It was controlled directly by the king.
D.It was governed under a charter received from the king.
第5题
有关心腔与血管的连接,正确的是
A、左室与肺动脉连接
B、左心房与腔静脉连接
C、左心室与主动脉连接
D、右心室与肺静脉连接
E、右心房与肺静脉连接
第7题
A.心房和心室有顺序地进行收缩和舒张
B.心脏瓣膜随心房、心室及大动脉压的改变而开闭
C.主动脉与腔静脉之间、肺动脉与肺静脉之间有明显的压差
D.动脉管壁较静脉管壁厚
E.心脏是一个动力泵
第9题
A、中等大小以上的静脉,无论在休息和活动状态都有血流信号
B、静脉血流速度随呼吸运动而加快或减慢
C、乏氏(Valsalva)反应阳性
D、人工挤压远端肢体后血流信号减弱
E、呈单向回心血流
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