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【多选题】
在Excel中提供了数据合并功能，可以将多张工作表的数据合并计算存放到另一张工作表中。支持合并计算的函数有()。A.
IF
B.
COUNT
C.
SIN
D.
SUM
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举一反三
【单选题】A humorous piece of writing can make the reader's emotional responses untrustworthy because ______.
A.
it expresses the truth of the sadness of human life with a sparkling surface
B.
everyone has his happy moments and unhappy moments
C.
there is an obvious line between laughing and crying
D.
it is like poetry, very rhythmic
【单选题】The author claims that the best way a reader can show admiration for a piece of poetry or prose is ______.
A.
to be able to appreciate it and memorize it
B.
to analyze its essential features
C.
to think it over conscientiously
D.
to make an air appraisal of its artistic value
【简答题】根据某些条件对一个关系作水平分解，选择符合条件的元组组成一个新的关系，这样的操作称为（ ）。 A)投影 B)选择 C)等值连接 D)自然连接
【简答题】The author claims that the best way a reader can show admiration for a piece of poetry or prose is ________. A) to be able to appreciate it and memorize it B) to yze its essential features C) to t...
【判断题】According to Oxford English Dictionary, poetry is "a piece of writing in which the expression of feelings and ideas is given intensity by particular attention to diction. "
A.
正确
B.
错误
【单选题】The author claims that the best way a reader can show admiration for a piece of poetry or prose is______.
A.
to be able to appreciate it and memorize it
B.
to analyze its essential features
C.
to think it over conscientiously
D.
to make a fair appraisal of its artistic value
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