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【单选题】
初产妇，25岁。妊娠39临产，产程进展顺利，枕左前位，S=0，胎心监护突然出现变异减速，胎心70次／分，持续50秒。胎心减慢最可能的原因是（）A.
脐带受压
B.
胎头受压
C.
胎儿宫内窘迫
D.
胎盘早剥
E.
羊水过少
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【单选题】the death blow to the irish language was__________.
A.
the British colonial rule
B.
Ireland’S accession to the EU
C.
the Great Famine
D.
the independence of Ireland
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