请教一道英文阅读理解题,Q.Why were Stone Age razors equally as disposable as modern ones?A.They were also thin slivers of metalB.They were fragileC.There was no lack of themD.They didn't shave well请问哪个才是正确答案,如何

请教一道英文阅读理解题,Q.Why were Stone Age razors equally as disposable as modern ones?A.They were also thin slivers of metalB.They were fragileC.There was no lack of themD.They didn't shave well请问哪个才是正确答案,如何 请教一道托福阅读题 谢谢 阅读理解题 就一道 一道英文I.Q.题, 求解决一道英语阅读理解题. 求一道阅读理解题答案, 英语高中一道阅读理解题 一道阅读理解, 一道英语阅读理解, 请教一道英语阅读理解题,求讲解,请问答案应该是哪个呢?最后这一小段的诗到底是啥意思呢? 请教一道英文阅读理解题,求思路和答案,原文：...After a time Charles's returning interest in living showed itself in the simple form of hunger.With some difficulty,owing to the water in the boat,he explored its stores and found food 一道英语阅读理解.初一英语. 初二英语一道阅读理解 请教一道几何题 请教一道线性代数题 是作阅读理解题提高阅读水平快,还是广泛阅读英文杂志提高快? 请教一道英语阅读理解题,True or False,求讲解, Is it true to say that the Sun is an unreliable guide for exact navigation?True or False? 求有关航空的英文阅读理解题~