能够维持正常肺泡氧分压和二氧化碳分压的有效通气量至少需达()
A.2L/min
B.4L/min
C.6L/min
D.8L/min
E.10L/min
参考答案:B
患者感到恶心的原因最可能是
A.基托后缘过厚
B.基托后缘过短
C.基托后缘过长
D.基托后缘过锐
E.基托与黏膜贴合过紧
(南京市2009届高三第一次调研考试,英语,22)Everyone in this country enjoys the same right ______ religion, race or sex.
A.regardless of
B.in view of
C.in spite of
D.in case of