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【单选题】
下列因素中,不属于市场三要素的是 。A.
人口
B.
购买欲望
C.
支付能力
D.
交换
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反馈参考答案：
举一反三
【单选题】Imagine fishermen walking down to the seashore, ready to carry out their early morning routine of preparing their boats and net. 【B1】______ they hope for a good catch of fish. But to their 【B2】______ ...
A.
As a result
B.
As it is
C.
As expected
D.
As usual
【单选题】Most of the dead villagers were children because
A.
it was early morning of the school day
B.
the others except schoolchildren could leave the village
C.
children were asked to keep there for the sake of security
D.
children escaped more slowly than the others
【单选题】You are planning to export this product to Europe()?
A.
don't you
B.
aren't you
C.
are you
【单选题】健康活动《好吃的早餐》中,教师提问幼儿:“小朋友们今天吃的是什么早餐?”以此来激发幼儿的学习兴趣,该环节属于活动过程的( )
A.
开始部分
B.
基本部分
C.
结束部分
D.
延伸部分
【简答题】目前高速走丝电火花线切割机床的数控系统大多采用较简单的步进电动机开环系统，而低速走丝电火花线切割机床的数控系统则大多采用伺服电动机加码盘的（），仅在一些少量的超精密线切割机床上采用了伺服电动机加磁尺或光栅的（）。
【简答题】The early morning fire damaged the historic Gallad House today. It destroyed the third floor of the building so fire fighters saved the first and the second floors. There were only a few elderly peopl...
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