They may also keep them from discovering ideas for themselves . the danger ? students who cannot even do simple addition and subtraction 还障碍他们产生自己思考障碍。危险何在？学生甚至不会做简单的加减法。
2.
Mental changes are also warning signs . a person who suddenly loses memory or thinking abilities could be suffering a stroke or serious infection 脑部变化也是警告信号。忽然的失忆或思考障碍可能是中风或严重感染的预兆。
3.
Mental changes are also warning signs . a person who suddenly loses memory or thinking abilities could be suffering a stroke or serious infection 脑部变化也是警告标志。忽然的失忆或思考障碍可能是中风或严重感染的预兆。
