【C12】A.likeB.for exampleC.according toD.as
【C12】
A.like
B.for example
C.according to
D.as
【C12】
A.like
B.for example
C.according to
D.as
Some would consider that an infringement of good manners whereas others would not.
A.an example
B.a violation
C.a problem
D.an indication
A.Poor but brave.
B.Friendly and talkative.
C.A teacher liked by all her pupils.
D.An example her children should follow.
Every product______before it is sold.
A.needs to examine
B.needs to have examined
C.wants examining
D.wants to exam
有一典型金属导体,电导率σ=5×107S/m,ε=ε0。,电流密度为J=106sin[117.1(3.22t-z)]exA/m2,求位移电流密度。
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