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【简答题】
电阻的混联电路中既有电阻的( ),又有电阻的( )。
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皮皮学刷刷变学霸
举一反三
【单选题】The total utility from consuming five cups of coffee is 15, 27, 37, 46, and 54 utils, respectively. The marginal utility of the fourth cup of coffee is:
A.
48.
B.
54.
C.
9.
D.
6.
【多选题】体验式采访主要有以下几个优点( )
A.
能提高采访材料的可信度和说服力
B.
能真切的了解事物的真相
C.
能写出更生动的报道
D.
能了解到其他采访方式了解不到的内容
【单选题】Warren drinks four cups of coffee during a particular day. The marginal benefit he enjoys from drinking the fourth cu
A.
can be thought of as the total benefit Warren enjoys by drinking four cups minus the total benefit he would have enjoyed by drinking just three cups.
B.
determines Warren’s willingness to pay for the fourth cup.
C.
is likely different from the marginal benefit provided to Warren by the third cup.
D.
All of the above are correct.
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