(单选题)
Scientists better understand how galaxies actually form by ( ).
A.a supercomputer
B.a time machine
C.cutting-edge aerospace technology
D.space stations
参考答案:A
参考解析:
根据文章标题以及第一段Through the looking glass: To better understand how galaxies actually form…In lieu of a time machine, scientists from the University of Arizona are using a supercomputer to simulate millions of universes and galaxies.可知科学家们通过超级计算机代替时光机去观察宇宙银河。选项A:超级计算机;选项B:时光机;选项C:先进的航空技术;选项D:太空站。故本题正确答案选A。
知识点:细节题 英语 阅读理解 通用 英语
