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【单选题】
企业面对的需求曲线缺乏价格弹性的程度越大:A.
企业拥有的市场力量越小
B.
提高价格，销售量下降的越多
C.
企业拥有的市场力量越大
D.
价格与边际收益之间的差额越小
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反馈参考答案：
举一反三
【简答题】清洁或插拔模块设备时，必须带上（）。
【单选题】-Who is the boy in blue? -I don't know ______. ______ is a new student in our class. [ ]
A.
he, His
B.
him, Him
C.
him, He
【单选题】Who is the boy __________ a blue coat? I want to play with him.
A.
in
B.
wears
C.
with
D.
be in
【单选题】- Who is the little boy in the picture? - It’s me. The picture _________ 10 years ago. [ ]
A.
took
B.
is taken
C.
was taken
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