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【单选题】
已知有向图G=(V,E),其中V={V1,V2,V3,V4,V5,V6,V7},
A.
{ , , , , , , , , },G的拓扑序列是（ ）。
B.
V1,V3,V4,V6,V2,V5,V7
C.
V1,V3,V2,V6,V4,V5,V7
D.
V1,V3,V4,V5,V2,V6,V7
E.
V1,V2,V5,V3,V4,V6,V7
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参考答案：
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【单选题】酒精在1标准大气压下的沸点是78℃。如果在 1标准大气压时，酒精的温度是78℃，则下列说法正确的是 (       )
A.
酒精沸腾
B.
酒精不沸腾
C.
酒精继续吸热，则能沸腾
D.
以上说法都不正确
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【单选题】以下程序段执行结果是(57)。 Int s=0 i=1； Do {s+=i++；} While（i＜=10）； Consol
A.
wrfteline（“sum={0}”，sum）
B.
Sum=54
C.
sum=l
D.
sum=55
E.
sum=56
查看完整题目与答案
【单选题】以下程序的执行结果是 ______。 #include＜iostream.h＞ class Sample { int x; public： Sample(){}; Sample(int a){x=a;} Sample(Sample &a){x=a．x+1;} void disp(){cout＜＜'x='＜＜x＜＜end1；} } void main() { Sample s1(2)，s2(s1);...
A.
x=2
B.
x=3
C.
x不确定
D.
x=0
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【简答题】I didn’t see your sister at the meeting. If she _____, she would have met my brother. A. has come B. did come C. came D. had come
查看完整题目与答案
【单选题】I didn't see your sister at the meeting. If she _____, she would have met my brother. [     ]
A.
has come
B.
did come
C.
came
D.
had come
查看完整题目与答案
【判断题】当基准尺长度大于基线长度的二分之一时,对于基准尺平行于基线的情况,基准尺长度对基线精度影响不显著。
A.
正确
B.
错误
查看完整题目与答案
【单选题】木门是由那些部分组成( )
A.
门框
B.
门扇
C.
都对
D.
都不对
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【单选题】I didn't see your sister at the meeting. If she ______, she would have met my father. [     ]
A.
has come
B.
did come
C.
come
D.
had come
查看完整题目与答案
【单选题】I didn’t see your sister at the meeting. If she __________, she would have met my brother.
A.
has come
B.
did come
C.
come
D.
had come
查看完整题目与答案
【单选题】在10000米高度上，如果实际温度比标准大气暖，那么实际气压高度比标准大气高度( )。
A.
高
B.
低
C.
相等
D.
不确定
查看完整题目与答案
相关题目：
【单选题】酒精在1标准大气压下的沸点是78℃。如果在 1标准大气压时，酒精的温度是78℃，则下列说法正确的是 (       )
A.
酒精沸腾
B.
酒精不沸腾
C.
酒精继续吸热，则能沸腾
D.
以上说法都不正确
查看完整题目与答案
【单选题】以下程序段执行结果是(57)。 Int s=0 i=1； Do {s+=i++；} While（i＜=10）； Consol
A.
wrfteline（“sum={0}”，sum）
B.
Sum=54
C.
sum=l
D.
sum=55
E.
sum=56
查看完整题目与答案
【单选题】以下程序的执行结果是 ______。 #include＜iostream.h＞ class Sample { int x; public： Sample(){}; Sample(int a){x=a;} Sample(Sample &a){x=a．x+1;} void disp(){cout＜＜'x='＜＜x＜＜end1；} } void main() { Sample s1(2)，s2(s1);...
A.
x=2
B.
x=3
C.
x不确定
D.
x=0
查看完整题目与答案
【简答题】I didn’t see your sister at the meeting. If she _____, she would have met my brother. A. has come B. did come C. came D. had come
查看完整题目与答案
【单选题】I didn't see your sister at the meeting. If she _____, she would have met my brother. [     ]
A.
has come
B.
did come
C.
came
D.
had come
查看完整题目与答案
【判断题】当基准尺长度大于基线长度的二分之一时,对于基准尺平行于基线的情况,基准尺长度对基线精度影响不显著。
A.
正确
B.
错误
查看完整题目与答案
【单选题】木门是由那些部分组成( )
A.
门框
B.
门扇
C.
都对
D.
都不对
查看完整题目与答案
【单选题】I didn't see your sister at the meeting. If she ______, she would have met my father. [     ]
A.
has come
B.
did come
C.
come
D.
had come
查看完整题目与答案
【单选题】I didn’t see your sister at the meeting. If she __________, she would have met my brother.
A.
has come
B.
did come
C.
come
D.
had come
查看完整题目与答案
【单选题】在10000米高度上，如果实际温度比标准大气暖，那么实际气压高度比标准大气高度( )。
A.
高
B.
低
C.
相等
D.
不确定
查看完整题目与答案
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