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【单选题】
一位风湿性心脏病二尖瓣狭窄病人,经常端坐呼吸,咯血,近几日出现下肢浮肿,上述症状反而减轻,首先提示?A.
二尖瓣狭窄程度减轻
B.
合并了二尖瓣关闭不全
C.
合并主动脉瓣关闭狭窄
D.
合并肾小球肾炎
E.
右心衰
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【单选题】Knitting has made a major comeback. People are knitting on college campuses, in coffee shops, and in small knitting groups throughout the United States. New knitting stores, many with cafes, are poppi...
A.
. joining a knitting group is a great way to make new friends
B.
some people knit because it helps them relax and release stress
C.
. today’s knitter is not the stereotypical grandmother in a rocking chair.
D.
as is the case with all fads, this new obses?sion with knitting will fade quickly.
【简答题】课本在介绍了画轴对称图形的一种方法之后，指出“画轴对称图形，这只是图案设计的一种方法”．其实，设计轴对称图形的方法也并不只是课本中介绍的一种．把几个轴对称图形，或者关于某条直线成轴对称的几对图形适当进行组合，也是设计轴对称图形比较常用的办法．下面是几个这样产生出来的轴对称图形的例子． （1）上面几个轴对称图形都是几个轴对称图形组合的产物，但具体做法又可以看作是两种不同情况，请指出是哪两种情况． （...
【单选题】在使用ORACLE提供的数据库访问工具时,一般都需要提供用户名、口令和数据库连接串,以下哪个文件中存储了对数据库连接串的定义( )
A.
config.ora
B.
init.ora
C.
listener.ora
D.
tnsnames.ora
【单选题】Knitting has made a major comeback. People are knitting on college campuses, in coffee shops, and in small knitting groups throughout the United States. New knitting stores, many with cafes, are poppi...
A.
joining a knitting group is a great way to make new friends.
B.
some people knit because it helps them relax and release stress.
C.
today's knitter is not the stereotypical grandmother in a rocking chair.
D.
as is the case with all fads, this new obses-sion with knitting will fade quickly.
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