GRE Reading Comprehension: Manhatton-GRE阅读Manhatton - MP3_5O515QO9534MA$

Which of the following can be properly inferred from the passage? A. An atom composed of two protons and a neutron would be considered a boson. B. Skyrmions have been discovered in superconductors and other condensed matter environments. C. Two electrons in an atom cannot circle the same nucleus at exactly the same distance. D. A current through a superconducting wire will never dissipate. E. Fermions cannot behave as bosons unless they are cooled to a temperature near absolute zero.