皮皮学，免费搜题
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搜题
【单选题】
正常人的尿比重为A.
1.015
B.
1.01
C.
1.015～1.025
D.
＞1.025
E.
＞1.030
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反馈参考答案：
举一反三
【简答题】aortic valve 指( )
【单选题】The most important sign indicating aortic valve insufficiency is( )
A.
Decrease in intensity of S1
B.
Boot-like heart
C.
Diastolic murmurs in aortic area
D.
Austin-flint's murmurs in apical area
E.
Water hammer pulse
【单选题】Aortic valve closure can be seen in: ()
A.
at the beginning of rapid ejection phase
B.
at the beginning of rapid filling phase
C.
at the beginning of isovolumic systole
D.
at the beginning of isovolumic diastole
E.
at the beginning of slow filling phase
【单选题】A 72-year-old woman dies of congestive heart failure. The aortic valve is examined at autopsy (shown in the image). Which of the following is the most likely cause of aortic stenosis in this patient?
A.
Acute bacterial endocarditis
B.
Aging-related degeneration
C.
Chronic rheumatic valvulitis
D.
Congenital bicuspid valve
E.
Hypertrophic cardiomyopathy
【单选题】以下程序的输出结果是( )。 main() {int x=2,y=-1,z=2; if(x＜y) if(y＜0)z=0; else z+=1: printf("%d\n",z); }
A.
3
B.
2
C.
1
D.
0
【单选题】方程组 x+y=-1 x+z=0 y+z=1 的解是（ ）
A.
x=-1 y=1 z=0
B.
x=1 y=0 z=-1
C.
x=0 y=1 z=-1
D.
x=-1 y=0 z=1
【简答题】It is sometimes said that strange flying objects have been seen high up in the sky. People call these strange objects Unidentified Flying Objects (UFO). These UFOs caused a lot of interest. Some of th...
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