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【多选题】
次数分配数列( )A.
是由组距和组数、组限和组中值组成
B.
可以表明总体结构和分布特征
C.
包括品质分配数列和变量数列两种
D.
可以用图表形式表式
E.
是由总体分成的各个组的和各组相应的分配数组成
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【单选题】John has really got the job because he showed me the official letter him it.
A.
offered
B.
offering
C.
to offer
D.
to be offered
【简答题】用award, reward填空。 1. He showed us the athletics _____ he has won. 2. What will you give me in _____ for my help? 3. The _____ for physics and chemistry are _____ by the Royal Swedish Academy of Scienc...
【简答题】He showed me the poems he ___________________ (write).
【单选题】The smile on my father’s face showed that he was ______ with me. [ ]
A.
sad
B.
pleased
C.
angry
D.
sorry
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