题目内容：
在表格中求平均值是用哪个?（ ）
A．COUNT B．SUM
C．IF
D．AVERAGE
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答案解析：
单选题：在表格中求平均值是用哪个?（ ）
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B．SUM
C．IF
D．AVERAGE
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C．IF
D．AVERAGE
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Mr．Black is very happy because the clothes made in his facto
Mr．Black is very happy because the clothes made in his factory have never been__
25．
25．A．everything B．something C．nothing D．anything
根据材料，回答问题。 Food is very important．Everyone needs to___ 21 __
根据材料，回答问题。Food is very important．Everyone needs to___ 21 ___ well if he or she w
——Nobody will become a hero without the help of others．——Tha
——Nobody will become a hero without the help of others．——That’S true．_______A．P