50 A baby emerges from the darkness of the womb with a rudimentary sense of vision that would be rated about 20/500; an adult with such vision would be deemed legally blind.
56 the Maya built huge palace and temple clusters without the benefit of animal transport or the wheel
og256火山爆发这题,A、E区别只是in two letters位置不同,选择答案时尽量避免歧义的选项,E明显作状语修饰不会产生歧义,故E is best。og似乎只能这么解释“火山爆发在两封信中。og50中with不是考的重点,没有可比的选项,且感觉with的用法比in要多样些。可能不同的介词习惯感觉也不同。