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【单选题】
风湿性心脏病二尖瓣狭窄患者经常出现呼吸困难，咳嗽和咳血等症状，随病程延长，上述症状减轻，但出现腹胀、肝大，提示A.
二尖瓣狭窄程度减轻
B.
发生二尖瓣关闭不全
C.
合并主动脉瓣狭窄
D.
合并主动脉瓣关闭不全
E.
进入右心功能不
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】1939年德国征服了波兰。 The year 1939 had witnessed the ____ of Poland by Germany.
【单选题】The year 1939 had witnessed the _________ of Poland by Germany.
A.
triumph
B.
victory
C.
success
D.
conquest
【简答题】The year 1939 had witnessed the ____ of Poland by Germany.
【简答题】A．In 1939. B．We don't know. C．Only these years. D．This year.
【简答题】1939年德国征服了波兰。 The year 1939 had ____ the conquest of Poland by Germany.
【单选题】The year 1939 ________ the conquest of Poland by Germany.
A.
withdrew
B.
witnessed
C.
wrecked
D.
worshiped
【简答题】M99表示 ,M98表示 。