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【单选题】
大山中学所有骑车上学的学生都回家吃午饭,因此,有些在郊区的大山中学的学生不骑自行车上学。 为了 使上述论证成立,以下哪项关于大山中学的断定是必须假设的?A.
骑自行车上学的学生家都不再郊区
B.
回家吃午饭的学生自行车上学
C.
家在郊区的学生都不回家吃午饭
D.
有些家在郊区的学生不回家吃午饭
E.
有些不回家吃午饭的学生家不在郊区
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举一反三
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carnival parade. fun 1 How many people took part in the
? ____ 2 We w...
【单选题】以下关于药品使用方法的叙述中，正确的是
A.
混悬剂直接服用
B.
口服硝酸甘油片剂
C.
直接吞服考来烯胺药粉
D.
使用喷鼻剂时头部不要后倾
E.
局部涂抹软膏时尽量涂厚一些
【单选题】Study showed that it is an unusual kind of protein. It has many small sugar molecules( 分子) held in special positions within each big protein molecule. Because of its sugar content, it is called a glyc...
A.
ugar
B.
ice
C.
blood
D.
molecules
【单选题】科学的范畴极为广泛，我们把科学定义为：科学是关于
A.
自然、思维和幼儿的知识体系
B.
思维、天然和幼师的知识体系
C.
思维、自然和社会的知识体系
D.
自然、社会和幼儿园的知识体系
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【单选题】依据MAC地址划分VLAN后,主机在局域网内从A端口移到B端口时,所属VLAN( )。
A.
所属VLAN不变
B.
所属VLAN随端口而改变
C.
VLAN随移动消失
D.
所属VLAN不定
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【单选题】But the murderer, robber or wife beater is singled out for publicity, because such conduct is unusual.
A.
the only one
B.
people who are not married and are not involved in a romantic relationship with anyone
C.
to separate or choose from a group, especially for special treatment or notice
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