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【单选题】
患者男性,45岁,患十二指肠溃疡近18年,胃镜检查有幽门梗阻,近10天来持续性呕吐。可导致A.
低氯高钾碱中毒
B.
低钾性酸中毒
C.
低氯低钾酸中毒
D.
低氯高钠碱中毒
E.
低氯低钾碱中毒
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【简答题】文件传送协议FTP的主要工作过程是怎样的?FTP使用的两个端口号分别是什么?
【单选题】It is the news that all sloths have been waiting for. Scientists in Germany have found that too much exercise is bad for you and that doing less could lengthen your life. In a new book called The Joy ...
A.
ordinary people.
B.
lazy bones.
C.
lazy habits.
D.
retired professors.
【单选题】It is the news _____ the spaceship succeeded in returning to the earth _____ has spread all over the country.
A.
that; which
B.
which; that
C.
which; which
D.
that; that
【单选题】______bright was the moon that the flowers were bright as by day.
A.
So
B.
Such
C.
Such a
D.
Much
【单选题】______that the flowers were bright as by day.
A.
So bright the moonwas
B.
How bright the moon was
C.
How bright was the moon
D.
Sobright was the moon
【简答题】文件传送协议FTP的主要工作过程是怎样的?为什么说FTP是带外传送控制信息?主进程和从属进程各起什么作用?FTP使用的两个端口号分别是什么?
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