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【单选题】
为保证人体触及漏电设备金属外壳时不会触电，通常采用()的安全措施。
A.
增加熔断器
B.
增加断路器
C.
保护接地或接零
D.
更换接触器
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【单选题】Firms that use computers have found that the number of staff __________ is needed for quality control can be substantially reduced.
A.
whose
B.
as
C.
what
D.
that
查看完整题目与答案
【多选题】以下用到基因工程技术的是
A.
胰岛素
B.
乙肝疫苗
C.
抗虫棉花
D.
抗除草剂大豆
E.
因治疗
查看完整题目与答案
【简答题】单桌或小型西餐宴会可在( )进行面包、黄油服务。
查看完整题目与答案
【单选题】When firms exit a monopolistically competitive industry:
A.
the average total cost curves of remaining firms will shift upward.
B.
the demand curves of remaining firms are decreased at each level of output.
C.
the remaining firms will decrease production.
D.
the average revenue received by remaining firms will increase at each level of output.
查看完整题目与答案
【单选题】Firms use the money they get from a sale to
A.
pay wages to workers.
B.
pay rent to landlords.
C.
pay profit to the firms’ owners.
D.
All of the above are correct.
查看完整题目与答案
【单选题】When all firms in the industry use this pricing method, prices tend to be similar.
A.
markup pricing
B.
inelasticity pricing
C.
variable pricing
D.
elasticity pricing
E.
penetration pricing
查看完整题目与答案
【单选题】When firms use symbols, colors, or characters to convey their personalities, they are using ________ differentiation.
A.
image
B.
people
C.
usage-rate
D.
user-status
E.
channel
查看完整题目与答案
【多选题】以下用到基因工程技术的是
A.
胰岛素
B.
乙肝疫苗
C.
抗虫棉花
D.
抗除草剂大豆
查看完整题目与答案
【多选题】以下用到基因工程技术的是( )
A.
胰岛素
B.
乙肝疫苗
C.
抗虫棉花
D.
抗除草剂大豆
E.
基因治疗
查看完整题目与答案
【单选题】The passage suggests which of the following about the use of temporary employment by firms during the 190's?
A.
It enabled firms to deal with fluctuating product demand far more efficiently than they before the 1980's.
B.
It increased as a result of increased participation in the workforce by certain demograp groups.
C.
It was discouraged by government-mandated policies.
D.
It increased partly as a result of workers' reduced ability to control the terms of their employment.
查看完整题目与答案
相关题目：
【单选题】Firms that use computers have found that the number of staff __________ is needed for quality control can be substantially reduced.
A.
whose
B.
as
C.
what
D.
that
查看完整题目与答案
【多选题】以下用到基因工程技术的是
A.
胰岛素
B.
乙肝疫苗
C.
抗虫棉花
D.
抗除草剂大豆
E.
因治疗
查看完整题目与答案
【简答题】单桌或小型西餐宴会可在( )进行面包、黄油服务。
查看完整题目与答案
【单选题】When firms exit a monopolistically competitive industry:
A.
the average total cost curves of remaining firms will shift upward.
B.
the demand curves of remaining firms are decreased at each level of output.
C.
the remaining firms will decrease production.
D.
the average revenue received by remaining firms will increase at each level of output.
查看完整题目与答案
【单选题】Firms use the money they get from a sale to
A.
pay wages to workers.
B.
pay rent to landlords.
C.
pay profit to the firms’ owners.
D.
All of the above are correct.
查看完整题目与答案
【单选题】When all firms in the industry use this pricing method, prices tend to be similar.
A.
markup pricing
B.
inelasticity pricing
C.
variable pricing
D.
elasticity pricing
E.
penetration pricing
查看完整题目与答案
【单选题】When firms use symbols, colors, or characters to convey their personalities, they are using ________ differentiation.
A.
image
B.
people
C.
usage-rate
D.
user-status
E.
channel
查看完整题目与答案
【多选题】以下用到基因工程技术的是
A.
胰岛素
B.
乙肝疫苗
C.
抗虫棉花
D.
抗除草剂大豆
查看完整题目与答案
【多选题】以下用到基因工程技术的是( )
A.
胰岛素
B.
乙肝疫苗
C.
抗虫棉花
D.
抗除草剂大豆
E.
基因治疗
查看完整题目与答案
【单选题】The passage suggests which of the following about the use of temporary employment by firms during the 190's?
A.
It enabled firms to deal with fluctuating product demand far more efficiently than they before the 1980's.
B.
It increased as a result of increased participation in the workforce by certain demograp groups.
C.
It was discouraged by government-mandated policies.
D.
It increased partly as a result of workers' reduced ability to control the terms of their employment.
查看完整题目与答案