配变电所的电缆沟和电缆室，应采取防水排水措施。()
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According to the man, what do some bees use their sense of smell for？
A. To find their way back to the nest.
B. To locate plant fibers.
C. To identify kinds of honey.
D. To identify relatives.
上市公司发行新股所募集的资金，不得投资于商业银行、证券公司等金融机构。()
A. 正确
B. 错误
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