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【多选题】
居民开通管道燃气应做到( )A.
使用前，要认真阅读燃器具使用说明书和燃气公司提供的《安全用气知识手册》
B.
使用中要注意检查连接软管的状况，严防出现挤压、烫坏、裂纹等缺陷
C.
使用时保持室内通风
D.
严禁在卧室内安装使用燃气设施
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举一反三
【单选题】The law of diminishing returns states that as
A.
the size of a plant increases, the firm's fixed cost decreases.
B.
the size of a plant increases, the firm's fixed cost increases.
C.
a firm uses more of a variable input, given the quantity of fixed inputs, the marginal product of the variable input eventually diminishes.
D.
a firm uses more of a variable input, given the quantity of fixed inputs, the firm's average total cost will decrease eventually.
【单选题】受国家机关、国有公司、企业、事业单位、人民团体委托管理、经营( )的人员，利用职务上的便利，侵吞、窃取、骗取或者以其他非法手段占有该财物的，以贪污论。
A.
公开财产
B.
公共财物
C.
国有财物
D.
国有财产
【单选题】The "Law of Diminishing Returns" states that
A.
additional inputs will reduce output.
B.
additional inputs will decrease average productivity.
C.
the supply of inputs is becoming scarce.
D.
additional inputs will lead to less additional output.
【简答题】The law of diminishing returns is manifested by the fact that A．the elder generations earn less than their children's generations. B．ordinary truck drivers have to work harder than full professors. C．...
【单选题】关于不动产登记资料查询的内容及要求，下列说法错误的是()。
A.
所有权人提供身份证明、房屋坐落，可查询登记簿中房地产的自然状况及查封、抵押等权利限制状况
B.
对涉及国家安全、军事等保密的房地产登记资料，必须经国家安全、军事机关书面同意后，方可利用
C.
查询人可以查阅、抄录不动产登记资料
D.
对符合本实施细则规定的查询申请，因情况特殊，不能当场提供查询的，应当在5个工作日内提供查询
【简答题】Diminishing returns，law of 收益递减规律
【单选题】Diminishing returns to specialization occurs when:
A.
each additional unit is produced with lesser number of laborers.
B.
a nation's gross domestic product declines for a few years.
C.
production possibility frontier appears as a rectangle.
D.
more units of resources are required to produce each additional unit.
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