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【多选题】
一台变压器原在50Hz、380V电源上,副边输出电压是42V,若接在60Hz、380V电源上,副边电压是(),输出电压的频率是()。
A.
36V
B.
42V
C.
50Hz
D.
60Hz
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举一反三
【判断题】Nomothetic explanations are more useful than idiographic reasoning.
A.
正确
B.
错误
【单选题】Spurious relationships are relevant for which criterion for establishing nomothetic causality?
A.
correlation
B.
time order
C.
the effect cannot be explained in terms of some third variable
D.
exceptional cases
E.
hypothesis
【单选题】The passage provides an answer to which of the following questions?
A.
What is the explanation for the phenomenon of bioluminescence in marine life?
B.
Does the phenomenon of plankton bioluminescence have any practical applications?
C.
Why do only certain specimens of marine life exhibit the phenomenon of bioluminescence?
D.
How does underwater bioluminescence differ from atmospheric bioluminescence?
E.
What are the steps that take place as an individual microorganism becomes bioluminescent?
【判断题】Nomothetic explanations are more easily achieved through quantification.
A.
正确
B.
错误
【单选题】In nomothetic explanations, exceptions disprove the causal relationship.
A.
True
B.
False
【单选题】投诉原因为虚假单号的订单,平台会触发全额退款的预裁决方案,卖家可在 自然日内同意或者拒绝
A.
3个
B.
5个
C.
7个
D.
9个
【判断题】地理环境的优劣决定着人和社会的发展。()
A.
正确
B.
错误
【单选题】雀巢公司民国时期曾用名为
A.
雀窝
B.
鸟窝
C.
鹊窝
D.
鹊巢
【多选题】下列行为中,哪些属于法律规定的不正当竞争行为?( )
A.
某市政府通过本地办的电视台向市民发布通告:最近本市连续发生多起煤气中毒事件,因此,各住户必须统一安装本市煤气公司生产的安全阀,以确保生命、财产安全
B.
某果品公司购进一大批水果,由于其贮藏的冷库设施出现问题,不便长期保存,决定降价销售。致使本市水果价格大幅度下降
C.
某企业对其生产的饮料实行有奖销售,最高奖为价格4000元的新马泰五日游
D.
甲公司为提高本公司的市场占有率,在街面上让顾客免费品尝其新产品,并乘机宣传乙公司的产品不如甲公司
【单选题】Nomothetic explanations
A.
enable us to fully understand the causes of a particular instance.
B.
give us an exhaustive understanding of a particular instance.
C.
seek to explain a class or situations or events.
D.
are not useful in everyday life.
E.
Are less useful than probabilistic explanations.
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