【简答题】在真空中O点放一个试探电荷 ,直线MN通过O点,OM的距离r=30cm,M点放一个试探电荷 ,如图所示.求: ( 1 ) q 在 M 点受到的作用力; ( 2 ) M 点的场强; ( 3 )拿走 q 后 M 点的场强; (4) M 、 N 两点的场强哪点大? ( 5 )如果把 Q 换成电荷量为 -1.0×10 -9 C 的点电荷,情况又如何?
【判断题】流通企业与物流企业的物流费用的构成没有差异。
【单选题】At the end of the last paragraph the author uses humorous exaggeration in order to ______.
A.
show that men are stronger than women
B.
carry further the ideas of the earlier paragraphs
C.
support the first sentence of the same paragraph
D.
disown the ideas he is expressing
【单选题】It is perhaps not an exaggeration (to say) that we shall soon (be trusting) our health, wealth, and happiness to elements with (whom) very name the general public (are) unfamiliar.
【单选题】At the end of the last paragraph the author uses humorous exaggeration in order to ______.
A.
show that men are stronger than women
B.
carry further the ideas of the earliest paragraphs
C.
support the first sentence of the same paragraph
D.
disown the ideas he is expressing
【单选题】CONDENSATION: APHORISM ::
C.
exaggeration:caricature
E.
extradition:legislation
【简答题】50) In dealing with a challenge on such a scale, it is no exaggeration to say “Unity we stand, divided we fall” -- and if I had to choose a slogan it would be “Unity in our diversity.”