肺毛细血管楔压(PCWP)正常值()
A.6-15mmHg
B.5-10mmHg
C.5-15mmHg
D.10-15mmHg
E.6-10mmHg
参考答案:A
---What are you going to do when you grow up?
---A singer, but my parents wish me _________ a teacher.
A.am
B.to be
C.will be
D.be
我国养老保险制度目前存在的主要问题有()。①养老保险覆盖面较窄 ②养老基金的保值与增值不足③个人账户空账④农村养老保险发展缓慢
A.①②③④
B.①②③
C.①②④
D. ②③④