Unit 7 - passage A: Our Picture of the Universe 翻译研究生英语读写教程(提高级)周红红第七单元人大云窗课后题答案 1. In Paragraph 1, “the scientist gave a superior smile…” shows that he is ___b___.(Unit 7 Passage A 见 “电子教材” P118) arrogant cultivated optimistic indifferent 2....