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【多选题】
关于微扰论的下列表述那些是正确的?A.
非简并态微扰论要求体系的所有能级都是非简并的
B.
C.
当计算第n级能级修正值，需要用波矢的第n级修正
D.
当体系的能级有简并时，有时也可用非简并态微扰论方法计算能级的一级修正值。
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举一反三
【多选题】Which of the following details can support this character of Einstein "Einstein had no personal ambition"?
A.
He was ready to come to terms with himself and the world around him.
B.
He knew there were answers beyond his intellectual reach.
C.
He was content to go as far as he could.
D.
He never showed jealousy, vanity, bitterness, anger, resentment, or personal ambition.
【单选题】A(n) _______ Wi-Fi hotspot imitates a legitimate free Wi-Fi hotspot in order to capture personal information.
A.
viral
B.
phishing
C.
rogue
D.
worm
【单选题】New gym members should confirm ______ personal details at the front desk before working out.
A.
them
B.
themselves
C.
their
D.
theirs
【简答题】静态风险与动态风险的差别。
【简答题】What should be included in personal details in a CV?
【单选题】检修SN10-10高压断路器操作机构的分合闸接触器合分合闸电磁铁的绝缘电阻,应选用( )V的兆欧表。
A.
2500
B.
250
C.
5000
D.
500或1000
【单选题】检修SN10-10高压断路器操作机构的分合闸接触器和分合闸电磁铁的绝缘电阻,应选用( )伏的兆欧表。
A.
500V或1000
B.
250
C.
2500
D.
5000
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