问题
选择题
I just wonder ____ that makes him so excited. [ ]
A. why it does
B. what he does
C. how it is
D. what it is
答案
答案：D
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I just wonder ____ that makes him so excited. [ ]
A. why it does
B. what he does
C. how it is
D. what it is
答案：D
某农资公司经销一种水果，近10年的销售量如表所示，由业务员进行预测。
某农资公司水果近10年的销售量
|
运用移动平均数法进行预测，取m=3，第11年的销售量预测值为( )吨。
A．1950
B．2267
C．2300
D．2500