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【单选题】
关于法洛四联症矫治术，下述哪项不恰当（）A.
疏通右室流出道
B.
修补室间隔缺损
C.
必须有足够的右心室末容量
D.
必需两侧肺动脉发育良好
E.
一般在中度低温（25～26℃）体外循环下施行
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反馈参考答案：
举一反三
【单选题】在热塑性弹性体SBS的相态结构中,其相分离结构为()。
A.
PS－连续相，PB－分散相
B.
PB－连续相，PS－分散相
C.
PS和PB均为连续相
D.
PS和PB均为分散相
【简答题】They do not expect to____from cr to cr; they do not always expect that each day will bring up some ____chance of war; but when they very slowly make up their minds that the thing has to be don...
【单选题】They do not expect to move from crisis to crisis; they do not always expect that each day will bring up some noble chance of war; _________ when they very slowly make up their minds that the thing has...
A.
but
B.
and
C.
yet
D.
since
【简答题】They do not always expect that each day will bring up some noble chance of war.
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