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【多选题】
下列属于地面工程施工前准备工作的有( )。A.
厕浴间和有防滑要求的地面的板块材料应符合设计要求
B.
建筑地面各层厚度和连接件的构造，应按设计要求和规范的规定
C.
建筑地面下的沟槽、暗管等工程完工后，经检验合格并作隐蔽记录，方可进行建筑地面工程施工
D.
建筑地面工程基层和面层的铺设，均应在该层检验合格后方可施工
E.
建筑地面各构造层采用的材料、建筑产品的品种、规格、配合比、强度等级等，应按设计要求和规范的规定选用，并应符合现行的标准的规定
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举一反三
【单选题】对于移相控制电路，为了限制最小移相控制角和设置移相范围，可在输入控制信号的输入控制信号的输入端再叠加一个（）。
A.
交流电压
B.
偏移电压
C.
同步信号
D.
触发信号
【单选题】How do debaters select their positions?
A.
The positions are decided by the head judge
B.
The positions are selected by the debaters in turn
C.
The positions are given to debate teams at random
D.
The positions are arranged according to the ranking in previous debates
【判断题】Debaters can become effective citizens because they learn to think critically and argue skillfully
A.
正确
B.
错误
【单选题】How do debaters select their positions?
A.
the positions are decided by the head judge.
B.
the positions are selected by the debaters in turn.
C.
the positions are given to debate teams at random.
D.
the positions are arranged according to the ranking in previous debates.
【判断题】Effective debaters usually maintain a controlled pace, which helps them appear poised and confident despite the stress of the situation.
A.
正确
B.
错误
【单选题】Oppenheimer wants to show people the painting of van Gogh which isexample to show his _____interests.
A.
focus
B.
focused
C.
unfocuse
D.
unfocused
【单选题】Debaters can become effective citizens because _______.
A.
they learn to speak frankly
B.
they learn to think calmly
C.
they learn to respond quickly
D.
they learn to think critically and argue skillfully
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