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【单选题】
胃肠道手术后留置胃管时,拔胃管的指征A.
肠鸣音恢复
B.
引流胃液转清
C.
术后48~72小时
D.
肛门排气后
E.
无腹胀、呕吐
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反馈参考答案：
举一反三
【单选题】Jim, as well as his sisters, to talk to his parents at present because of misunderstanding.
A.
is prepared
B.
was prepared
C.
are prepared
D.
were prepared
【单选题】一般把活塞的头部制成上小下大的阶梯形或截锥形,且头部直径( )裙部
A.
小于
B.
等于 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
C.
大于
D.
无所谓大小于 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
【单选题】When invited to talk about his achievements, he refused to blow his own ______ and declined to speak at the meeting.
A.
trumpet
B.
whistle
C.
bugle
D.
flute
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