其他工程费是指直接工程费以外施工过程中发生的费用，下列（）不属该项费用。
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The author deems private ownership to be
A. a necessary invention of mankind.
B. an inherent right of a human being.
C. a permanent arrangement for society.
D. an explicit idea of some individuals.
甲公司将所属设备租赁给乙公司使用。租赁期间,甲公司将用于出租的设备卖给丙公司。根据合同法律制度的规定,下列表述正确的是()。
A. 甲公司在租赁期间不能出卖已出租的设备
B. 买卖合同有效,原租赁合同继续有效
C. 买卖合同有效,原租赁合同自买卖合同生效之日起终止
D. 买卖合同有效,原租赁合同须丙公司同意后方继续有效
All of the following are defeats with the traditional survey in the form. of questionnaires EXCEPT
A. a restricted range of investigation.
B. greater cost in administering them.
C. lack of precision compared with experiments.
D. difficulty in being confirmed by other kinds of research.
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