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【单选题】
抽奖式有奖销售的最高奖金额不得超过( )。A.
5万元
B.
1万元
C.
2万元
D.
5000元
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举一反三
【单选题】What’s the difference between ordinary secretaries and executive secretaries?
A.
Ordinary secretaries work longer hours.
B.
Executive secretaries have more responsibilities.
C.
Executive secretaries work with doctors and lawyers.
D.
Ordinary secretaries work in small companies only.
【单选题】Which of the following is TRUE of secretaries?
A.
Secretaries often have wrist problems.
B.
Secretaries often work part time.
C.
Secretaries mainly work in government offices.
D.
Secretaries should be good at keyboarding.
【简答题】Good secretaries are extremely efficient and well _______ (organize).
【单选题】紫外线用于空气消毒时,有效距离和照射时间为
A.
25cm，20 min
B.
60cm， 30min
C.
2m，30 ～ 60min
D.
1m ，60min
E.
2cm ，120min
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