扫描二维码，直接登录
题库 / OG2018V-SC-220
In early Mesopotamian civilization, castor oil served not only as a laxative, but also a skin-softening lotion and it was a construction lubricant for sliding giant stone blocks over wooden rollers.
not only as a laxative, but also a skin-softening lotion and it was a construction
as not only a laxative, but also a skin-softening lotion, and it was a construction
not only as a laxative but also as a skin-softening lotion and as a construction
as not only a laxative but as a skin-softening lotion and in construction, as a
not only as a laxative, but a skin-softening lotion and in construction, a
还没有题目讲解（毕出老师会陆续发布对官方考题的解读，请保持关注）。
错选B是因为忽略了主系表， the oil is a 润滑剂肯定不是is的关系，这就是考措辞吧
登录 或 注册 后可以参加讨论