( Based on the growth rates of large modern reptiles such as ) the Galapagos tortoise and examination of fossils of juvenile dinosaurs, scientists estimate that the larger dinosaurs probably lived to be between 100 and 200 years old. A. Based on the growth rates of large modern reptiles such as B. On the basis of growth rates of large modern reptiles such as C. Based on the growth rates of large modern reptiles like D. On the basis of growth rates of large modern reptiles, like those of E. Based on the growth rates as those of large modern reptiles like 答案是B，错选了A。科学家基于爬行动物的生长率，估计了恐龙的存活时间。科学家做based on的逻辑主语有错吗？麻烦老师讲解。 (Based on account of various ancient writers) , scholars have painted a sketchy picture of the activities of an all-female cult that, perhaps as early as the sixth century B.C, worshipped a godness known in Latin as Bona Dea "the good goddess". A. Based on account of various ancient writers B. Basing it on various ancient writer's accounts C. With accounts of various ancient writers used for a basis D. By the accounts of various ancient writers they used E. Using accounts of various ancient writers 答案是E，还是错选了A。做题时在AE纠结了好久，因为不确定学者作为“基于不同作家的解释”的主语是不是错的，而且感觉基于要比使用的表达更好，尽管可以确定using的主语是学者，但还是把E排除了，麻烦老师讲解。 因为不知道这两道题是犯了什么错误，所以去有道查了based on 的例句，发现人是可以做主语的：Based on the finding, one might predict that the bank should increase its display and budget. 以及 Based on that representation, the district judge denied a motion to dismiss the new comlaint. 麻烦老师讲解这几个题的区别。

请郭老师 帮我说下 家族企业 开饭馆那个话题卡 串到朋友研究菜谱 这个话题卡 谢谢

请郭老师说下捉迷藏的话题卡 谢谢 我词穷

请郭老师串话题卡 谢谢

请郭老师帮我编个三层手工蛋糕的 雅思口语 谢谢

请郭老师帮我编一段 教别人瑜伽或者游泳的口语 我词穷 实在编不出来 谢谢

请郭老师帮我编一段饭馆感受差的口语 我词穷 谢谢

小郭老师 描述类太多 分成了两个问题（描述类1）

小郭老师 描述类太多 分成了两个问题（描述类1）

小郭老师…描述类2 接1

请问郭老师。这是雅思口语考试事件类的考题 麻烦老师帮我想想我怎么能串起来 太多了