患者叩诊心界呈靴形,是由于
A.心包积液
B.右心室增大
C.左心室增大
D.左心房显著增大
E.两心房增大
参考答案:C
I will spend half of my holiday practicing English and _____________ half learning drawing.
A.another
B.the other
C.other’s
D.other
使用第四种检查器能测量哪些限度?