Objectives Summarize the big bang theory. List evidence for the big bang theory. Explain how Hubble’s discoveries lead to an understanding that the universe is expanding. Describe the three main types of galaxies. Explain how a quasar differs from a typical galaxy. Describe characteristics of the...
In the strict sense, Sino US trade war is not only the most important event that the luxury industry has encountered in the past year, it can even take the lead in the summary of all walks of life. The two most important economies in the world face economic and trade conflicts, and ar...
音频列表 1 18697高频 British Environmental Law 472021-03 2 18698高频 Why all animals are related 422021-03 3 18699高频 the sound receptors in ears 192021-03 4 18710高频 Big Bang Theory 502021-03 5 18713 老题新考 fishing industry in Africa 402021-03 6 18718高频 Implicit and Explicit Memory ...
18697高频 British Environmental Law 47 2021-03 4 18698高频 Why all animals are related 42 2021-03 5 18699高频 the sound receptors in ears 19 2021-03 6 18710高频 Big Bang Theory 50 2021-03 7 18713 老题新考 fishing industry in Africa ...
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音频列表 1 18693高频 a female writer 452021-03 2 18697高频 British Environmental Law 472021-03 3 18698高频 Why all animals are related 422021-03 4 18699高频 the sound receptors in ears 192021-03 5 18710高频 Big Bang Theory 512021-03 6 18713 老题新考 fishing industry in Africa 402021-03 ...