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【简答题】
完全竞争行业中某厂商的成本函数为 STC=Q 3 -6Q 2 +30Q+40 ,假定产品价格为 66 美元,试求: ( 1 )求利润最大化时的产量及利润总额; ( 2 )由于竞争市场供求发生变化,商品价格变为 30 美元,在新的价格条件下,厂商是否会发生亏损?如果会,最小的亏损额是多少? ( 3 )此时,厂商如何做出生产决策?
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【单选题】If you want to sell something online, an online banking service is necessary because ________.
A.
you can have your payment processed when your stuff is sold
B.
it will support you financially
C.
you are asked by the other online shops to have the service
D.
you can deliver your goods when you get the payment
【简答题】With more and more universities introducing online resources or even self-made online courses into college education, especially in the field of minor programs and other foundation courses, debates on...
【单选题】胸腰椎压缩性骨折,压缩程度在1/3以内的立采取
A.
平卧硬板床，骨折处垫枕，数日后腰背肌后伸锻炼
B.
平卧硬板床，数日后背肌锻炼
C.
平卧硬板床
D.
牵引治疗
E.
以上都不对
【单选题】胸腰椎压缩性骨折，压缩程度在1/3以内的应采取（）
A.
平卧硬板床，骨折处垫枕，数日后腰背肌后伸锻炼
B.
平卧硬板床，数日后背肌锻炼
C.
平卧硬板床
D.
牵引治疗
E.
以上都不对
【单选题】听力原文： TOM Online wants to provide an online HR service in Beijing up to international standards. The new online HR service provides an online video CV and targets both domestic and international emplo...
A.
web set
B.
educational school
C.
Internet portal
D.
foreign company
【简答题】体育活动可以提高学生对自然环境的适应能力，这说明体育具有【 】 A.娱乐功能 B．调控功能 C．价值功能 D．健体功能
【单选题】What is the author‘s attitude towards online self-gifting? 查看材料
A.
Unclear.
B.
Neutral.
C.
Negative.
D.
Supportive.
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