题目选项分析

Using accounts of various researchers, Colstrom scientists have known for decades that for every kind of particle - whether the familiar electrons, neutrons or protons, or the more recently discovered quarks and neutrinos - there exists a particle that is its mirror image, identical in mass and amount of charge, but different in at least one crucial way.

Bases on accounts of various researchers, Colstrom scientists have known for decades that for every kind of particle - whether the familiar electrons, neutrons or protons, or the more recently discovered quarks and neutrinos - there exists a particle that is its mirror image, identical in mass and amount of charge, but different in at least one crucial way.