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【单选题】
变压器的铜损大小与( )。A.
负荷电流平方成正比
B.
负荷电流无关
C.
负荷电流平方成反比
D.
负荷电流成反比
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反馈参考答案：
举一反三
【单选题】下列有关除去热原方法的叙述错误的为
A.
250℃、30分钟以上干热灭菌能破坏热原活性
B.
重铬酸钾-硫酸清洁液浸泡能破坏热原活性
C.
在浓配液中加入0.1%到0.5%(g/ml)的活性炭除去热原
D.
热源是大分子复合物, 0.22微米微孔滤膜可除去热原
【单选题】If a guest tells you a problem, you should:
A.
Call the manager.
B.
Take ownership and help resolve the problem. .
C.
Ask a co-worker to help.
【简答题】在无向图G的邻接表表示中,每个顶点邻接表中所含的结点数,等于该顶点的(____)。
【简答题】在图G的邻接表表示中,每个顶点邻接表中所含的结点数,对于无向图来说等于该顶点的 ;对于有向图来说等于该顶点的 。
【单选题】if a guest tells you a problem,you should
A.
ask a co-worker to help
B.
call the manager
C.
take ownership and help to resolve the problem
【简答题】If a guest comes to the Front Office and tells you there is a chance that she /he is going to stay two more days for she has an very important to meet. How would you deal with the problem?
【简答题】Answer the questions: (1) Which department is in charge of the repairing of the room facilities? (2) If a guest tells you by telephone "I can't use the toilet now", what will you say? (3) What would y...
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