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【单选题】
配有重合闸后加速的线路，当重合到永久性故障时（）。A.
保护将有选择性瞬时跳开断路器切除故障
B.
具体情况具体分析，故障点在I段保护范围内时，可以瞬时切除故障；故障点在II段保护范围内时，则需带延时切除
C.
不能瞬时切除故障
D.
能瞬时切除故障
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反馈参考答案：
举一反三
【单选题】按照血压分级下列属于1级高血压(即轻度高血压)的是
A.
110/70mmHg
B.
130/80mmHg
C.
150/90mmHg
D.
160/100mmHg
E.
180/120mmHg
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【简答题】V. 完形填空 :( 共 10 小题;每小题 1 分,满分 10 分 ) We may still remember the girl with big eyes. Her big eyes are 46 us her dream: I wish to 47 ! In China, there are still 48 girls and boys like her. They want to g...
【简答题】What's the Secret to a Healthy Diet? One question I'm often asked is "What's the secret to a healthy diet?" The answer isn't all that mysterious (a. 神秘的). You just have to keep some basic rules in min...
【单选题】有以下程序,程序的运行结果是( ) #include void main( ) { int sum=0,x=5; do{sum+=x;}while(!--x); printf("%d\n",sum); }
A.
0
B.
5
C.
14
D.
15
【简答题】v. to go on with; to be busy with
【简答题】第二部分:语言综合运用 V. 完形填空 : We may still remember the girl with big eyes. Her big eyes are 1 us her dream: I wish to 2 ! In China , there are still 3 girls and boys like her. They want to go to school, but ...
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