题目内容
● 某企业准备将3项任务P、Q、R分配给甲、乙、丙三人，每人分别做一项。估计各人完成各项工作所需的天数如下表所示：
设最优的分配方案为完成这三项工作所需的总天数最少，则在最优分配方案中， （64） 。
（64）
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根据下列材料，请回答 31～35 题：
第 31 题 The suffering of Haiti after the earthquake would be worse than that of rich countries because （）
[A] the insurance money covers only a small part of its reconstruction costs
[B] the insurance payout might be kept by individuals or companies
[C] foreign governments can't offer enough help because of financial burden
[D] its government might transfer the burden of recovery to multilateral agencies
单核细胞病理性增多见于
This passage tells us
When Williams began working on his book，he ．
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