-Astronomy (id: 453e17ba6)

本题目来源于试卷: -Astronomy，类别为 美国物理杯赛(Physics Bowl)

[单选题]
17.13: According to currently lt:qxgm9 o d4jor,s9/accepted theory, dark matterg110zhk3 puc,pnpy+u makes up approximately what percen hn+py1c,zp 3 ukp01gut of the Universe?

A. 5 %
B. 25 %
C. 50 %
D. 80 %
E. 99 %


参考答案:  B


本题详细解析: 暂无

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