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【单选题】
5阶行列式的全面展开式共有多少项A.
10
B.
25
C.
60
D.
120
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举一反三
【单选题】It is worthwhile to study the various ways in which Shakespeare used English because______.
A.
English words have changed a lot since Shakespeare's time
B.
by doing so one can be fully aware of the richness of English language
C.
English words are now being used in the same way as in Shakespeare's days
D.
English words are now the same in various ways as in Shakespeare's days
【单选题】The argument remains extremely heated ______ it is worthwhile for China to open its door to foreign cars.
A.
that
B.
which
C.
if
D.
whether
【单选题】【例题1·单选】应用直方图法分析工程质量状况时,直方图出现折齿型分布的原因是( )。
A.
数据分组不当或组距确定不当
B.
少量材料不合格
C.
短时间内工人操作不熟练
D.
数据分类不当
【单选题】It is worthwhile considering what makes “convenience” foods so popular, and____ better ones of your own.
A.
introduces
B.
to introduce
C.
introducing
D.
introduced
【单选题】It is worthwhile to study the various ways in which Shakespeare used English because ______.
A.
English words have changed a lot since Shakespeare's time
B.
by doing so one can be fully aware of the richness of the English language
C.
English words are now being used in the same way as in Shakespeare's days
D.
none of the above
【单选题】The author thinks that in identifying the racially gifted children, it is worthwhile to ______.
A.
observe their interaction in groups
B.
measure their sensitivity to problems
C.
determine their scholastic aptitude
D.
study their flexibility of ideas
【简答题】规定,在销售季末,零售商可以以一定的价格把未售出的产品全部退还给供应商。
相关题目：
【单选题】【例题1·单选】应用直方图法分析工程质量状况时,直方图出现折齿型分布的原因是( )。
A.
数据分组不当或组距确定不当
B.
少量材料不合格
C.
短时间内工人操作不熟练
D.
数据分类不当
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