投资与经济增长理论采用描述经济增长的简化模型,即()。
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商店出售5个品牌的大米,其中3个品牌是合格的,每袋都是25千克;有一个品牌分量不足,每袋22.5千克,另一个品牌超重,每袋26.5千克。从外形上看,分不出哪个牌子是乡量不足的,那么执法人员至少称几次才可以发现分量不足的那个品牌?()
According to the passage,which of the folloing is NOT true?
[A] Women generally enjoy the job security in administrative divisions.
[B] Married women prefer to work in private companies for higher salary.
[C] Unmarried women postpone their marriage due to various reasons.
[D] Some mothers are deprived of the opportunity to return to old jobs.