右心室心肌梗死引起右心衰竭伴低血压,其处理原则首先应()
A.抗感染
B.强心剂
C.扩张血容量
D.利尿剂
E.升压剂
参考答案:C
.In recent years, Chinese traditional culture _______________ more and more fashionable.
A.has become
B.became
C.have become
D.had become
中国四大发明的应用出现在北宋的是()
A.改进造纸术
B.活字印刷书
C.火药开始应用于军事
D.指南针应用于航海