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【单选题】
中标人应当由（ ）确定A.
投标人
B.
项目主管部门
C.
行政监督部门
D.
招标人
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举一反三
【单选题】A bilingual secretary ( Line 4, paragraph 3 ) differs from other secretaries in that he or she can ________.
A.
operate a computer
B.
do the job efficiently
C.
speak two languages
D.
write official documents
【单选题】Why were there no phone calls before 4?
A.
The secretary was ont.
B.
The line was out of order.
C.
People didn't phone until 4.
【简答题】塑料制乐扣保鲜盒
【简答题】A bilingual secretary ( Line 4 , paragraph 3) differs from other secretaries in that he or shecan _________. [ A] operate a computer [ B ] do the job efficiently [ C ] speak two languages [ D ] write ...
【单选题】两样本率与总体率差别的假设检验的目的是:
A.
推断两个样本率有无差别
B.
推断两个总体率有无差别
C.
推断两个总体率的差别有无显著性
D.
推断两个样本率和两个总体率有无差别
E.
推断两个样本率和两个总体率的差别有无显著性
【简答题】A bilingual secretary(Line 4，paragraph 3)differs from other secretaries in that he or she call＿＿＿．
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