本题目来源于试卷: Physics Unit32: Elementary Particles，类别为 国际高中通用物理
[单选题]
The exchange particles fqoo/:q 4r*dlq .0q gmqor the weak force are very massivyn,w e2:i kbofbcs yiv+ e2a8p+)p/1le (about 100 times as massive as a proton). This would lead one to expect that the weayv ,lcpi2+e: /82bs y+n )1fiopabek wk force would
A. act over a very long range.
B. act over a very short range.
C. only act on very massive particles.
D. be transmitted at the speed of light.
参考答案: B
本题详细解析:
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