本题目来源于试卷: Atomic Model，类别为 美国物理杯赛(Physics Bowl)
[单选题]
06.47: The sub-atomic make4c97sb+vzp 8z sxz 4ev-up of a pq()e9kf1hgtzc mt1):mr, p 3 4 ws8xjuwv; skjroton is
A. 2 up quarks and a down quark
B. 2 down quarks and an up quark
C. 1 up quark, 1 down quark, and 1 top quark
D. 1 up quark, 1 strange quark, and 1 bottom quark
E. 2 strange quarks and 1 charmed quark
参考答案: A
本题详细解析:
暂无
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