In Latin America,there are only from one -tenth to one-fourth __ there are in the United statesA as many doctors as B as many as doctors这2个有什么区别
问题描述：
In Latin America,there are only from one -tenth to one-fourth __ there are in the United states
A as many doctors as B as many as doctors
这2个有什么区别
答
在拉丁美洲，只有从十分之一到四分之一__在美国
答
选A .as many doctors as 是两个地方在医生人数方面的比较.
as many as doctors.是医生和其他什么人在某事的数量上的比较（如果有这种比较的话）
Teachers don't get so much as doctors.老师的收入没有医生高.