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【单选题】
下列哪项检查可测定胎儿肺成熟度?A.
血清胎盘生乳素
B.
卵磷脂与鞘磷脂的比值
C.
无试验
D.
缩激惹试验
E.
胆红素测定
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举一反三
【简答题】Alice was a pretty girl. She liked nothing except dressing 1 and dancing. Of course she wasn’t good at her 2 . But the boys were willing to help her with her lessons 3 they liked to dance with her. Af...
【简答题】Half a year before graduation from college, my son began to seek a job. the financial cr, fewer companies would like to new staff. My son targeted a company that was to hire only one person there ...
【单选题】静脉注射去甲肾上腺素后出现血压升高，心率减慢，后者出现的主要原因是()
A.
去甲肾上腺素对血管的抑制作用
B.
降压反射活动减弱
C.
降压反射活动加强
D.
去甲肾上腺素对心脏的抑制作用
【单选题】Professor Shimamura identified a number of areas in which mental function may change.
A.
Y
B.
N
C.
NG
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