外科治疗门静脉高压症的主要目的是
A.保护肝功能B.减缓腹腔积液的产生C.防治肝性脑病D.防治食管胃底静脉破裂曲张出血E.防止肝功能进一步损害
参考答案:D
27. Yang Liwei was picked from the 14 candidates for the Chinese space adventure and became China’s first astronaut _______ his great efforts.
A.according to
B.as well as
C.due to
D.together with
急性胎儿窘迫最常发生的时期为()
A.妊娠早期
B.妊娠中期
C.妊娠晚期
D.分娩期
E.第二产程