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【判断题】
( )由于RS-485串行接口的适用范围只有30m,故在变频器中使用的多为RS-232。
A.
正确
B.
错误
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举一反三
【单选题】Scarcity is a condition that exists when
A.
there is a fixed supply of resources.
B.
there is a large demand for a product.
C.
resources are not able to meet the entire demand for a product.
D.
All of the above.
查看完整题目与答案
【单选题】Scarcity exists when
A.
there is less than an infinite amount of a resource or good.
B.
there is less of a good or resource available than people wish to have.
C.
society can meet the wants of every individual.
D.
the price of a good rises.
查看完整题目与答案
【单选题】What must follow when scarcity exists?
A.
Consumers have to make choices.
B.
Governments are unable to supply public goods.
C.
Producers must be misallocating resources.
D.
Workers must be earning low wages.
查看完整题目与答案
【单选题】Scarcity exists when
A.
there is less than an infinite amount of a resource or good.
B.
society can meet the wants of every individual.
C.
there is less of a good or resource available than people wish to have.
D.
the government fails to produce goods.
查看完整题目与答案
【单选题】以下哪项不属于技术创新的类型：
A.
工艺创新和产品创新
B.
渐进型创新
C.
原始性创新
D.
发展模式创新
查看完整题目与答案
【单选题】无形资产评估过程就是对与无形资产价值相关的数据资料进行收集、归纳、整理和分析的过程。按照信息来源渠道的不同，可将这些信息分为（）两大类
A.
政策信息和市场信息
B.
内部信息和政策信息
C.
内部信息和外部信息
D.
外部信息和市场信息
查看完整题目与答案
【单选题】Scarcity exists when:
A.
individuals can have more of one good but only at the expense of another.
B.
a choice must be made among two or more alternatives and when individuals can have more of one good but only at the expense of another.
C.
individuals can have more of any good.
D.
a choice must be made among two or more alternatives.
查看完整题目与答案
【判断题】转化率 =推广商户期望的行动访客数/访客总×100%。
A.
正确
B.
错误
查看完整题目与答案
【单选题】下列实验操作能使实验结果偏低的是
A.
用蒸馏水润湿的pH试纸所测定的某酸溶液的pH
B.
用容量瓶配制溶液，定容后摇匀液面下降，再加蒸馏水至刻度线所配制的溶液浓度
C.
用仰视量筒刻度量取的一定量浓硫酸所配制的0.1mol·L -1 H 2 SO 4 溶液的浓度
D.
用待测液润洗的锥形瓶进行中和滴定所测定的待测液浓度
查看完整题目与答案
【单选题】无形资产进行评估过程就是对与无形资产价值相关的数据资料进行收集、归纳、整理和分析的过程。按照信息来源渠道的不同,可将无形资产评估信息分为两大类:
A.
政策信息和市场信息
B.
内部信息和政策信息
C.
内部信息和外部信息
D.
外部信息和市场信息
查看完整题目与答案
相关题目：
【单选题】Scarcity is a condition that exists when
A.
there is a fixed supply of resources.
B.
there is a large demand for a product.
C.
resources are not able to meet the entire demand for a product.
D.
All of the above.
查看完整题目与答案
【单选题】Scarcity exists when
A.
there is less than an infinite amount of a resource or good.
B.
there is less of a good or resource available than people wish to have.
C.
society can meet the wants of every individual.
D.
the price of a good rises.
查看完整题目与答案
【单选题】What must follow when scarcity exists?
A.
Consumers have to make choices.
B.
Governments are unable to supply public goods.
C.
Producers must be misallocating resources.
D.
Workers must be earning low wages.
查看完整题目与答案
【单选题】Scarcity exists when
A.
there is less than an infinite amount of a resource or good.
B.
society can meet the wants of every individual.
C.
there is less of a good or resource available than people wish to have.
D.
the government fails to produce goods.
查看完整题目与答案
【单选题】以下哪项不属于技术创新的类型：
A.
工艺创新和产品创新
B.
渐进型创新
C.
原始性创新
D.
发展模式创新
查看完整题目与答案
【单选题】无形资产评估过程就是对与无形资产价值相关的数据资料进行收集、归纳、整理和分析的过程。按照信息来源渠道的不同，可将这些信息分为（）两大类
A.
政策信息和市场信息
B.
内部信息和政策信息
C.
内部信息和外部信息
D.
外部信息和市场信息
查看完整题目与答案
【单选题】Scarcity exists when:
A.
individuals can have more of one good but only at the expense of another.
B.
a choice must be made among two or more alternatives and when individuals can have more of one good but only at the expense of another.
C.
individuals can have more of any good.
D.
a choice must be made among two or more alternatives.
查看完整题目与答案
【判断题】转化率 =推广商户期望的行动访客数/访客总×100%。
A.
正确
B.
错误
查看完整题目与答案
【单选题】下列实验操作能使实验结果偏低的是
A.
用蒸馏水润湿的pH试纸所测定的某酸溶液的pH
B.
用容量瓶配制溶液，定容后摇匀液面下降，再加蒸馏水至刻度线所配制的溶液浓度
C.
用仰视量筒刻度量取的一定量浓硫酸所配制的0.1mol·L -1 H 2 SO 4 溶液的浓度
D.
用待测液润洗的锥形瓶进行中和滴定所测定的待测液浓度
查看完整题目与答案
【单选题】无形资产进行评估过程就是对与无形资产价值相关的数据资料进行收集、归纳、整理和分析的过程。按照信息来源渠道的不同,可将无形资产评估信息分为两大类:
A.
政策信息和市场信息
B.
内部信息和政策信息
C.
内部信息和外部信息
D.
外部信息和市场信息
查看完整题目与答案