【单选题】【消耗次数：1】
绝对安全电压指的是（ ）的电压。
①
36V
②
24V
③
12V
④
48V
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相关题目
【单选题】
已知有向图G=(V,E)，其中V={V1,V2,V3,V4,V5,V6,V7}，E={V1,V2V1,V3V1,V4V2,V5V3,V5V3,V6V4,V6V5,V7V6,V7}，G的拓扑序列是（ ）。
①
V1,V3,V4,V6,V2,V5,V7
②
V1,V3,V2,V6,V4,V5,V7
③
V1,V3,V4,V5,V2,V6,V7
④
V1,V2,V5,V3,V4,V6,V7
【单选题】
设有向图D = áV, E?, 其中 V={v1, v2, v3, v4, v5}, E={áv4, v1?, áv1, v1?,áv1, v2?,áv1, v3?, áv3, v1?, áv5, v3?}，则v1的邻域 N(v1) =
①
{v3, v4}；
②
{v2, v3,v4}；
③
{v1, v2, v3, v4}；
④
{v2,v3}。
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10. Far away around the corner I could see a small female ____advancing towards us.
①
body
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figure
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man
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symbol
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getting financial support
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to getting financial support
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to get financial support
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in getting financial support
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agree
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follow
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make
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social
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typical
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natural
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historical
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takes on
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takes in
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absorbs in
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picks out
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①
does--begin
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will--begin
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is--beginning
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is--going to begin
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①
So you can
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For you
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In order to
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adopt ?
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adapt ?
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fit ?
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suit?
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If you want to see the chairman of the department, you’d better make an ____ with him first.
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admission
②
agreement
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appointment
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argument