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do people find people find it find people do people find it
in relation to in response to in addition to in opposition to
it’s up to you it’s my treat let’s talk about it it doesn’t matter
with pleasure take care no problem don’t mention it
成都市某区人民代表大会 四川省人民政府 中共成都市委 成都市人民代表大会
directly that unless until
B.C.D.E.F.为真空中正六边形的六个顶点，O.为正六边形中心，在A. C.三点分别固定电荷量为q、-q、q(q>0)的三个点电荷，取无穷远处电势为零。则下列说法正确的是： （ ） 
A.O.点场强为零B.O.点电势为零 D.点和F.点场强相同 D.点和F.点电势相同
How come Only if What if If only
While Now that Unless Even
四川省成都市 江苏省苏州市 湖南省长沙市 湖北省鄂洲市
mainly slightly widely deeply
so fine weather such fine weather so fine a weather such a fine weather
Owing to Instead of In addition to According to
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