问题
单项选择题
关于房间隔缺损的血流动力学改变,以下哪项是错误的()
A.肺循环血流量增多
B.合并肺动脉高压,可出现心房水平的右向左分流
C.右心室收缩期负荷过重
D.右心室增大
E.右心房增大
答案
参考答案:C
关于房间隔缺损的血流动力学改变,以下哪项是错误的()
A.肺循环血流量增多
B.合并肺动脉高压,可出现心房水平的右向左分流
C.右心室收缩期负荷过重
D.右心室增大
E.右心房增大
参考答案:C
从方框中选用合适的词并用其适当形式填空。
小题1:How ___________ it was to hear that some pop stars would come to our town. 小题2:The micro letter is used ___________ in China. It has over 300 million users. 小题3:— Mary, could you tell me who invented ___________? — A team of scientists, John Bardeen, Walter Brattain and William Shockley. 小题4:Do you know what the ___________ of the tower is? About twenty metres. 小题5:We enjoyed ___________ trip to the Statue of Liberty very much. What great fun we had! |