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【判断题】
数据挖掘的主要任务是从数据中发现潜在的规则，从而能更好的完成描述数据、预测数据等任务。()A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】Jenny Edward divulged her intention of trying vaccination under a bond of secrecy because she feared ridicule if they______.
A.
have failed
B.
should fail
C.
failed
D.
being failed
【简答题】窃以为过 矣 过:
【简答题】vaccination
【单选题】Take your vaccination certificate with you ______ they ask for it at the airport.
A.
unless
B.
in case
C.
when
D.
because of
【单选题】Vaccination is important in the______.
A.
fight against heart disease
B.
prevention of diseases
C.
discovery of bacteria
【简答题】vaccination certificate _____
【简答题】vaccination
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