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【单选题】
EXCEL中，函数( )计较选定单元格区域内数据的总和A.
average
B.
SUM
C.
max
D.
count
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反馈参考答案：
举一反三
【单选题】对于薪金函数模型 , 为了考虑“学历”因素(三个层次),引入 3 个虚拟变量形成变截距模型,则会产生()。
A.
异方差
B.
序列相关性
C.
非完全多重共线性
D.
完全多重共线性
【单选题】How many performers joined the Winter Olympics opening ceremony?
A.
More than 35,000.
B.
More than 2,600.
C.
More than 4,700.
【简答题】Anson and Sophia are talking about the preparations for a meeting. 2. They are trying to design an attractive exhibition stand to entice more customers. 3. The workers are now debugging video equipmen...
【简答题】Michael _______ be a policeman, for he ’ s much too short. A. needn ’ t B. can ’ t C. should D. may 2. Mr. Bush is on time for everything. How _______ it be that he was late f...
【简答题】名声是一个许多人愿意掉下去的陷阱。( trap)
【单选题】商业承兑汇票付款人收到开户银行的通知，应在当日通知银行付款。付款人在接到通知日的次日起（）内未通知银行付款的，视同付款人承诺付款。
A.
2日
B.
5日
C.
7日
D.
3日
【单选题】The opening ceremony is a great occasion. It is essential _____ for that. (TEM4-2003-47)
A.
for us to be prepared
B.
that we are prepared
C.
of us to be prepared
D.
our being prepared
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