劳动资源的稀缺性的属性包括(  )。

劳动资源的稀缺性的属性包括(  )。

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the PLA men the villagers would not have survived the flood.

the PLA men the villagers would not have survived the flood.

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The math problem is so hard that ________ students can work

The math problem is so hard that ________ students can work it out.

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The magazines are _________ easy that the children can read

The magazines are _________ easy that the children can read them well.

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