什么叫分光光度法?它包括的内容有哪些?

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问题:

什么叫分光光度法?它包括的内容有哪些?

考点:化学工程水化验水化验题库
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Every valid character in a computer that uses even ( ) must always have an even number of 1 bits.

A.parity

B.check

C.test

D.compare

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John, an academically(学术上) excellent young man, went to apply for a management position in a big company. The director did the last   26 .
The director asked, “Who paid for your school fees?” John answered, “My   27  did. When I was young, my father   28 .”   Then he continued, “  29 was your mother?” John answered, “My mother worked as a   30  cleaner.” Hearing this, the director asked John to  31 his hands. John reached out his hands that were   32  and perfect. The director said, “I have a   33 . When you go home, clean your mother’s hands and see me tomorrow.”
John felt   34  but did it. His tears fell   35  he cleaned his mother’s hands. He noticed for the first time that her hands were so   36 . Also John   37  that it was this pair of hands that washed clothes every day to   38  him. After cleaning his mother’s hands, John   39  washed all the remaining clothes for her.
Next day, John went to the director’s office. Tears in eyes, John was asked to   40  his feelings. “Now I know what is   41 .Without my mother, there wouldn’t be the   42  me today. By helping my mother, I see how   43  it is to get something done. I have also come to know the value of family relationship.”
The director smiled, “This is what I am   44 . I want a person who can appreciate the help of others, a person who knows the sufferings of others and a person who   45  put money as his only goal in life. You are hired.”
小题1:
A.farewell(再见)B.jobC.interviewD.try
小题2:
A.tutors(家庭教师)B.fatherC.parents D.mother
小题3:
A.died awayB.diedC.died outD.passed by
小题4:
A.WhatB.HowC.WhoD.Where
小题5:
A.carpetB.floorC.clothesD.window
小题6:
A.turnB.showC.waveD.shake
小题7:
A.clumsyB.dirtyC.strongD.smooth
小题8:
A.requestB.questionC.wishD.choice
小题9:
A.embarrassedB.frightenedC.confused(困惑的)D.inspired
小题10:
A.beforeB.asC.sinceD.until
小题11:
A.slimB.warmC.softD.rough
小题12:
A.realizedB.believedC.insistedD.wondered
小题13:
A.sacrifice(牺牲;)B.serveC.satisfyD.support
小题14:
A.modestlyB.secretlyC.quietlyD.gently
小题15:
A.improveB.describeC.awakenD.hide
小题16:
A.appreciationB.cooperationC.qualification(资格)D.communication
小题17:
A.wealthyB.famousC.successfulD.humorous
小题18:
A.firmB.excitingC.crazyD.tough
小题19:
A.looking throughB.looking forC.looking atD.looking into
小题20:
A.shan’tB.needn’tC.won’tD.can’t
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领导生命周期理论认为,有效的领导行为除了应该考虑工作行为、关系行为以外,还应考虑被领导者的()

A.素质

B.业务水平

C.成熟程度

D.培训提高

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风湿性心瓣膜病最常受累的瓣膜为

A.主动脉瓣
B.肺动脉瓣
C.二尖瓣
D.主动脉瓣及肺动脉瓣
E.三尖瓣

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扩散脱氧的优点是()。

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