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【单选题】
按照马斯洛的人类基本需要层次论,生理的需要满足后应注意满足A.
刺激的需要
B.
安全的需要
C.
爱与归属的需要
D.
尊敬的需要
E.
自我实现的需要
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【简答题】信息是经过加工处理并对人类社会实践和生产活动产生决策影响的 。
【单选题】What is the implication of the words on the bus wall?
A.
All small acts will add up to kindness.
B.
It's a small act to help a person in need.
C.
Everyone can play his own part to make things better.
D.
You should be kind to your neighbors and they will treat you the same way.
【单选题】Judging from the context, 'Practice random kindness and senseless acts of beauty.' (line 2, para. 2) means______.
A.
do some unplanned good deeds
B.
appreciate kind acts and anything beautiful
C.
offer your kindness to some people in particular
D.
be aware of others' kind-heartedness
【简答题】用戴维南定理求解 电路,已知 U S =12V, R 1 =8Ω, R 2 =2Ω, R 3 =6Ω , R 4 =3Ω ,Is=3A,求 R 4 上的电压 U 的值 为( )V。
【简答题】已知电路如图a所示，U S =8V，R 1 =R 2 =R 3 =2Ω，R 4 =1Ω，试用戴维南定理求解R 4 中电流I。
【简答题】已知电路如图a所示，U S1 =9V，R 1 =3Ω，R 2 =6Ω，R 3 =4Ω，试用戴维南定理求解I。
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