根据室间隔缺损的血流动力学改变,首先引起增大的心腔是()
A.左心房增大
B.右心房增大
C.左心室增大
D.右心室增大
E.左心房、右心室增大
参考答案:C
______ he referred to in his article was often discussed by many people.
A.That
B.What
C.Whether
D.Where
人类运动发育规律中坐、爬、走、跑和跳跃等动作属于()
A.从上到下
B.从近到远
C.粗大运动
D.精细动作
E.从泛化到集中