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【单选题】
在编写教材的过程中,为跨入新和升入高年级的学生新知识、掌握新方法而适当提前安排有关奠基内容的教材编排方式是( )。A.
直线式排列
B.
螺旋式排列
C.
过渡式排列
D.
折中式排列
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知识点：
皮皮学刷刷变学霸
举一反三
【多选题】下列复合命题是重言式的是( )。
A.
~（~p）<=>p
B.
(p=>q)<=>(~q=>~p)
C.
( p=>q )<=> ( ~p∨q )
D.
~(p∧q)<=> ~p∧~q
【单选题】You are reconnecting a three-phase induction motor to the supply line. To prevent possible damage to the load, due to the wrong direction of rotation, you should ______.
A.
connect the motor and then use the 'jog' button to determine the direction of rotation
B.
connect the phase indicator to the motor leads, rotate the motor by hand and then connect to the supply voltage
C.
connect the phase indicator to the supply voltage then connect the motor
D.
check the supply line phase sequence and motor rotation with appropriate indicators, then connect correspondingly marked leads
【单选题】下列关于工程设计阶段的描述,正确的是( )
A.
设计阶段是执行计划为主的阶段
B.
设计阶段期要协调的内容多
C.
设计阶段是决定建设工程价值和使用价值的主要阶段
D.
设计阶段合同关系复杂、合同争议多
【单选题】Jazz journalism is characterized by which of the following features
A.
e use of tabloids
B.
abundance of photographs
C.
th A and B
D.
ne of the above
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