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【单选题】
生 ,38 岁突发上腹剧痛,渐波及全腹 , 出冷汗。查体全腹有肌紧张、压痛,及反跳 痛,肝浊音界缩小 , 肠鸣音消失, X 线腹部透视见膈下游离气体 , 最可能的是A.
急性绞窄性肠梗阻 ( 小肠押转 )
B.
急性坏疽性胆囊炎 (胆囊 穿孔 )
C.
急性坏疽性阑尾炎 ( 阑尾穿孔 )
D.
溃疡病急性穿孔
E.
急性出血性坏死性胰腺炎
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【单选题】It is revealed by research that it is more beneficial to kids if their parents watch TV programs with them than having their viewing time limited.
A.
Y
B.
N
C.
NG
【单选题】The research is so designed that once _____ nothing can be done to change it.
A.
begins
B.
having begun
C.
beginning
D.
begun
【单选题】Cancer Research Campaign is most likely a ______.
A.
medical journal
B.
research institute
C.
private company
D.
governmental agency
【单选题】The research is so designed that, once _______, nothing can be done to change it.
A.
begins
B.
having begun
C.
begun
D.
Beginning
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