而且考试的题型以综合题型居多，真实考核学员语言能力，可以不限次数免费向院校发送自己的成绩。
The applicants can send their PTE Academic score reports to an unlimited number of institutions for free.
圆锥曲线最值问题是高中数学中的重点和难点问题，一般是和其他内容联合起来的综合题。
Problem is the most value conical section the key and difficult point for high school maths problem, is generally and other content combine comprehensive problem.
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