观察肺动脉瓣狭窄最适合的切面是()
A.心尖四腔心
B.心尖五腔心
C.胸骨旁左室长轴切面
D.大动脉短轴切面
E.左心长轴切面
参考答案:D
The model plane isn’t as nice as my partner’s, but it was made by myself.
A.at last
B.at least
C.at times
D.at present
面对重大疾病或难以预计的自然灾害,有些人往往寄希望于神灵,求神参佛,以求避灾。下列观点与之一致的是 ( )
A.人病则忧惧,忧惧则鬼出
B.物是观念的集合
C.天地合而万物生,阴阳接而变化起
D.形者神之质,神者形之用