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【单选题】
An economic profit of zero implies:A.
normal profit.
B.
the firm is covering both explicit and implicit costs.
C.
the firm's revenues are sufficient to compensate the money and time that the owners put into the business.
D.
all of the above
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【简答题】原始状态闭合 ,线圈通电后断开的触头 称为 。
【单选题】营造有利于国家和平发展的安全环境政策，表明我国的新安全观是（）。
A.
公平、有效、平等、合作的安全观
B.
互信、互利、平等、协作的安全观
C.
公平、公正、平等、互利的安全观
D.
公正、均衡、平等、协作的安全观
【多选题】（2014.12） 31. The staff in their customer service are always helpful, friendly, (cheer) _________ and eager to help. 32. Once we have received the goods back from you, we (give) _______ you a refund f...
A.
cheerful
B.
will give
C.
more expensive
D.
equipment
E.
was held
【简答题】Fill in the gaps of the following sentence with an appropriate word from your word box of this unit. A: Is there anything else I can do for you? G: Also please give me some fresh towels. And the washb...
【多选题】毛泽东关于社会主义社会两类不同性质的社会矛盾学说，其要点包括
A.
社会主义社会存在着敌我矛盾和人民内部矛盾这样两类矛盾
B.
两类矛盾的性质不同，解决方法也根本不同
C.
正确处理人民内部矛盾的一系列方针、政策
D.
正确处理人民内部矛盾成为国家政治生活的主题
【简答题】Translate the following important sentences 1.after years of frustration with city and sub living, my wife Sandy and I have finally found contentment here in the country. ( Para1.) 2. Soon Jim, ...
【单选题】May I use your washroom now? No, you _____________. There is something wrong with the toilet.
A.
needn't
B.
mustn't
C.
shouldn't
D.
didn't
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