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【判断题】
次数分配数列是指按数量标志分组所形成的变量分配数列。( )A.
正确
B.
错误
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】As you are unable to read rapidly, it may impede your academic progress.(inability) ____________.
【简答题】从传播过程的性质来看,大众传播属于( )很强的传播活动。
【简答题】走廊和过道应该保持( )和干净,并留出( ),能够方便人员通过。
【简答题】unable to read and write
【单选题】Right at moment a lot of attention ______ to children who leave school unable to read or write.
A.
is given
B.
is being given
C.
has been given
D.
will be given
【单选题】A lot of attention is being given to children who leave school unable to read or write. I think there should be equal concern for those who are unable to cope with simple mental arithmetic — particula...
A.
budget housekeeping.
B.
the retail trade.
C.
computer skills.
D.
mental arithmetic.
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