What do both theories assume to be true? We see distant galaxies as they were long, long ago because

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问题 What do both theories assume to be true?
We see distant galaxies as they were long, long ago because

选项 A、they were closer together then.
B、the universe has always looked as the same.
C、their light takes so long to reach us.
D、they have travelled such a long way.

答案C

解析由短文第四段中的"Since the very distant galaxies are thousands of millions of light years away，then we are seeing them as they were thousands of millions of years ago"可知答案。

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本试题收录于：公共英语五级笔试题库公共英语（PETS）分类

公共英语五级笔试

公共英语（PETS）

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What do both theories assume to be true? We see distant galaxies as they were long, long ago because

公共英语五级笔试

公共英语（PETS）

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ADebateontheEnglishLanguageAmeasuredeclaringEnglishthenationallanguageisunderintensedebateintheUnitedSta

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Whenamanisbuyingclotheshedoesnotmindhowmuchhehastopayfortherightthings.Amanusuallydoesnotbuyanything

WhichofthefollowingisNOTtrueaboutdomesticviolence?Itcanbeinferredfromthecontextthatthephrase"standshergro

AstronomersbelievethatmatterindifferentpartsoftheuniverseThepassagementionsallofthefollowingfactorsfortheex

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