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题目内容
（运营管理）
Social activities seem to<u style="font-size: 14px;"> </u>disease and<u style="font-size: 14px;"></u>longevity.
· produce, reduce
·protect against, increase
·kill, increase
·cause, reduce
· produce, reduce
·protect against, increase
·kill, increase
·cause, reduce
参考答案
