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【简答题】
What does the author imply by saying “. . . many of my customers didn’t get the difference between server and servant” (Line 3, Para. 7)? A) Those who cater to others’ needs are destined to be looked down upon. B) Those working in the service industry shouldn’t be treated as servants. C) Those serving others have to put up with rough treatment to earn a living. D) The majority of customers tend to look on a servant as server nowadays.
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反馈参考答案：
举一反三
【单选题】假设某股票一个月后的股价增长率服从均值为2%、方差为0．01%的正态分布，则1个月后该股票的股价增长率落在（ ）区间内的概率约为68%。
A.
(1%，3%)
B.
(0，4%)
C.
(1.99%，2.01%)
D.
(1.98%，2.02%)
【单选题】固定钾、钠膳食中,每日钾、钠的摄入量( )
A.
钾60mmol、钠160mmol
B.
钾160mmo1．钠60mmol
C.
钾1OOmmol、钠150mmol
D.
钾150mmol、钠50mmol
E.
钾150mmol、钠150mmol
【单选题】某股票目前的股价为20元，去年股价为18.87元，当前年份的股利为2元。假定股利和股价的增长率固定为g，则下一年该股票的收益率为（ ）。
A.
16.0%
B.
16.6%
C.
18.0%
D.
18.8%
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