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【单选题】
企业客户的数据中,姓名、性别、电子信箱等属于()A.
属性数据
B.
交易数据
C.
行为数据
D.
关系数据
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反馈参考答案：
举一反三
【简答题】Having waited for 2 hours, the author began to lose _________.(patient)
【简答题】国际电子商务的定义是什么?
【单选题】Having finished her project, she was invited by the school to the new students.
A.
speaking
B.
having spoken
C.
to speak
D.
to have spoken
【单选题】The nurse watched over the patient and waited ______ him day and night.
A.
about
B.
for
C.
on
D.
up
【简答题】Having finished her homework, Ma Li wants some music for relaxation ① . As usual, she starts her computer and goes to Baidu.com to download music files. But this time she is surprised when an announce...
【简答题】Having finished her homework，Ma Li wants some music for relaxation(娱乐)．As usual，she starts her computer and goes to Baidu.Come to download music files.But this time she is surprised when an announceme...
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