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【单选题】
引起主动脉瓣区第二心音增强的疾病是A.
主动脉瓣狭窄
B.
主动脉瓣关闭不全
C.
二尖瓣狭窄
D.
二尖瓣关闭不全
E.
主动脉硬化
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反馈参考答案：
举一反三
【单选题】火于高渗性脱水正确的是
A.
在失水量相等的情况下，其脱水征比其他类型明显
B.
电解质损失量比水分多
C.
水从细胞外向细胞内转移
D.
常有烦渴，高热，烦躁不安，甚至惊厥
E.
多见于营养不良，长期腹泻患儿
【单选题】Nowadays, many women, ________some are not overweight at all, are always going on diets or taking weight-loss pills, ________ are often dangerous.
A.
of whom; which
B.
of which; who
C.
whose; which
D.
who; that
【简答题】(translate)Establishing business relations is the first step in transaction in foreign trade. If a new firm, or rather a certain corporation of ours, wishes to open up a market to sell something to or...
【单选题】Don't always make your little sister _____. You should be kind to her. [ ]
A.
laugh
B.
to laugh
C.
cry
D.
to cry
【简答题】写出以下程序的运行结果 void main() { int a; a=5; a++; printf("a=%d",a); }
【简答题】请找出下列程序中的错误,改正后写出程序运行结果。 void main( ) { int x,y=z=5,aver; x=7 AVER=(x+y+z)/3; printf("AVER=%d\n",aver); }
【简答题】露西( Lucy )正在和亚历克斯( Alex )谈论旅行计划( travel plan ),帮助 Lucy 完成她的计划吧。 Lucy is talking about her travel plan with Alex. Help Lucy complete her travel plan. The plan includes when, where, how long and with wh...
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