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【单选题】
除了()以外,其余都是采购谈判前的准备工作。A.
收集谈判资料
B.
制定谈判方案
C.
评估采购绩效
D.
组建谈判队伍
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举一反三
【单选题】According to the professor, what is a common reason for migration that does NOT apply to baleen whales?
A.
The need to avoid lower water temperatures
B.
The need to raise young in a suitable environment
C.
The need to find better feeding grounds
D.
The need to find a mating partner
【简答题】What is the reason of the cold snap?
【简答题】What physiological reason for yawning is mentioned?
【简答题】What is the reason for extinction of many fish species?
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