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【单选题】
若无差异曲线上任一点的斜率为:-1/2,这意味着消费者有更多x的时,他更愿意放弃( )单位x而获得一单位y。A.
1/2
B.
2
C.
1
D.
1.5
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反馈参考答案：
举一反三
【单选题】The story was said to have been based on the information from a reliable ________.
A.
source
B.
foundation
C.
origin
D.
basis
【单选题】Based on information in the passage,the reader can conclude Violet' s primary source of conflict stems from her____.
A.
not being fluent in Chinese
B.
difficulties with her schoolwork
C.
parents being extremely strict
D.
family's move to Washington State
【单选题】Traditionally, jurors form. their judgment based on______.
A.
lawyers' oral evidence
B.
source documents
C.
case memo
D.
detailed supporting evidence
【单选题】调查林业生产条件的目的就在于了解森林经理对象的客观条件,掌握林业生产中的自然规律和经济规律,为森林经理工作编制( )提供依据。
A.
林业规划
B.
年度计划
C.
森林经理等级
D.
森林经营方案
【简答题】电弧焊用的电极有( )和( )两种。
【单选题】The telegram was based on information from a _________ source.
A.
recent
B.
reliable
C.
rare
D.
private
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