扫描二维码，直接登录
题库 / OG2017V-SC-253
Under high pressure and intense heat, graphite, the most stable form of pure carbon, changes into the substance commonly referred to as diamond and remaining this way whether or not the heat and pressure are removed.
remaining this way whether or not
remaining like that even as
remaining as such whether or not
remains in this way although
remains thus even when
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）。
注意although和even when语义上的差别。
登录 或 注册 后可以参加讨论