单项选择题
The author would regard the idea that the universe inhabits a spherical geometry as()
A.unimportant B.unscientific C.self-evident D.plausible E.unlikely
单项选择题 Which of the following might serve as the most appropriate title for the passage()
单项选择题 According to the passage, an important limitation of relativity theory is that()
单项选择题 The author refers to the illusion of seeing crowds primarily in order to()