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【多选题】
对于减法运算电路,下面说法正确的是( )。A.
是一个输入的运算放大器
B.
反馈电阻连接在输出端和反相输入端之间
C.
输出电压由两个输入端的电压信号的差值决定
D.
所有输入信号都要连接到反相输入端
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【简答题】free of charge
【简答题】State the "relational" definition
of power as defined by Deutsch.
【单选题】The definition of( ) is a law which is enacted by the legislative branch of a government such as Congress or a state legislature and generally signed into law by the president or a governor.
A.
regulation
B.
statute
C.
ordinance
D.
order
【单选题】According to the definition,Health is described _____ "a state of complete physical, mental, and social well-being".
A.
on
B.
as
C.
for
D.
of
【判断题】The definition of “international traffic” does not apply when a ship or aircraft is operated between two places in a Contracting State and the enterprise that operates the ship or aircraft is not an e...
A.
正确
B.
错误
【简答题】be free of charge
【单选题】By mentioning the definition of waste, the author intends to_____.
A.
clear the misunderstanding of its meaning and its coverage
B.
state that people tends to 'like the new and hate the old'
C.
manifest the fact people don't record things about rubbish by sarcasm
D.
prove that ignorance can lead to terror and inaction
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