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【单选题】
导体的电阻值大小,与()有关。 ①电阻系数 ②导体长度 ③导体截面积 ④导体两端的电压大小 ⑤温度
A.
①②③④
B.
①②③⑤
C.
②③④
D.
①③④⑤
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参考答案:
举一反三
【多选题】在收养关系中,下列哪些情形可以不受被收养人需满14岁的限制()。
A.
华侨收养子女
B.
收养三代以内同辈旁系血亲的子女
C.
收养孤儿和残疾儿童
D.
继父母收养继子女
【单选题】A financial customer has three data centers that are approximately five kilometers apart. Their SAP application data needs to be kept synchronized within 10 milliseconds between the three sites. Which...
A.
DS8700 systems at each site running Metro Mirror
B.
DS5300 systems at each site running Metro Mirror
C.
DS5100 systems at each site running Global Mirror
D.
XIV systems at each site running synchronous mirroring
【单选题】弯曲件的高度不宜过小,其值为( )。
A.
h>r-2t
B.
h>r+2t
C.
h=r
【单选题】When they check in at an airport, Club members should show______.
A.
their boarding pass
B.
their membership card
C.
a photocopy of the ticket
D.
an application form
【单选题】The best advantage of new ceramic materials over metal superconductors is ______.
A.
their inexpensive cost
B.
their more practical uses
C.
their better quality in conductivity
D.
their nature for multi-application
【单选题】What is the major complaint of job-hunters?
A.
Their letters of application often get no response.
B.
Letters of acknowledgement carry no explanation.
C.
Letters of acknowledgement sound impersonal.
D.
Vacancies are set aside for friends by employers.
【单选题】What is the major complaint of job-hunters?
A.
Their letters of application often get no response.
B.
Letters of acknowledgement carry no explanation.
C.
Letters of acknowledgement sound impersonal.
D.
Vacancies are set aside for friends by employers.
【单选题】华侨收养三代以内同辈旁系血亲的子女,可以不受收养人无子女的限制,是否正确 :
A.
B.
C.
不一定
D.
无规定
【单选题】弯曲件的高度不宜过小,其值为()
A.
h>r-2t
B.
h>r+2t
【单选题】弯曲件的高度不宜过小,其值为( )。
A.
h>r-2t
B.
h>r+2t
C.
h
D.
h
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