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【简答题】
幼儿社会教育是一种在成人引导和良好环境陶冶下,以发展幼儿的 ________ 和 __________ 为目标,以增进幼儿的社会认知、激发幼儿的社会情感、培养幼儿亲社会行为为主要内容的构建活动。
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皮皮学刷刷变学霸
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【简答题】人机任务规划需要考虑的因素有（），（）无人机物理限制，实时性需求。
【单选题】选择题(单项选择):关于奢侈品的需求价格弹性,如下事实成立:
A.
对大多数人而言都是非负的;
B.
对富人中的少数人而言可能富有弹性(绝对值大于1);
C.
对大部分富人而言可能缺乏弹性(绝对值小于1);
D.
在价格足够高时是富有弹性的(绝对值大于1);
E.
对中等收入者而言是富有弹性的(绝对值大于1)
F.
以上描述都正确。
【单选题】Tom and his family are going to a French restaurant _______ they had dinner a week ago.
A.
who
B.
which
C.
where
D.
when
【单选题】What did Tom and his family do last weekend?
A.
They went skating.
B.
They went fishing.
【单选题】Tom and his family are going to a French restaurant ( ) they had dinner a week ago.
A.
which
B.
that
C.
where
D.
when
【单选题】无人机任务规划需要考虑的因素有:______,______,无人机物理限制,实时性要求[1分]
A.
飞行环境限制,飞行任务要求
B.
飞行任务范围,飞行安全限制
C.
飞行安全限制,飞行任务要求
【单选题】Tom and his family are going to a French restaurant ___ they had dinner a week ago.
A.
where
B.
whose
C.
when
D.
which
【简答题】Tom and his family are going to French restaurant _____ they had dinner a week ago.
【单选题】Tom and his family are going to a French restaurant ___________ they had dinner a week ago
A.
where
B.
which
C.
who
D.
that
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