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【多选题】
关于聚类下列说法正确的是（ ）。A.
聚类有着广泛的应用。
B.
聚类可以作为其他数据挖掘分析过程的一个基础处理步骤。
C.
聚类可以发现偏离多数数据对象的孤立点。
D.
聚类和分类没有区别。
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举一反三
【单选题】What were Forrest Gump's problems when he was born?
A.
His mother regards him as a normal child and tells him that he is the same as the other boys.
B.
Gump is almost a representative of all the virtues : honesty and trustworthiness , serious work , courage fearless .
C.
People always think this kind of person can't be successful in doing anything.
D.
Gump was born with a lower IQ-75 , meanwhile he has a muscle problem.
【多选题】The Story of Money.mp4 What were the problems with barter?
A.
The items were of the similar value
B.
Many items got rotten
C.
Some items were too heavy
D.
Items become more and more complicated
【单选题】What problems were there at the beginning?
A.
The hardware caused them problems.
B.
Some of the computers were old.
C.
The learners didn't have computers.
D.
The learners had technical difficulties.
【单选题】Can you solve such problems ___raised by the audience?
A.
what were
B.
as were
C.
that were
D.
which were
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