听力原文:W: With whom did you go fo the Great Wall?
M: My parents, my sister Mary and good friend Charile.
How many people went to the Great Wall?
A.Seven.
B.Four.
C.Five.
第7题
A.顾客与零售商之间的EOS系统
B. 零售商与批发商之间的EOS系统
C. 零售商、批发商、生产商之间的EOS系统
D. 企业内的EOS系统
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