These kids have an AP history textbook that has been specially created to match the content of the AP test, as well as review books and tutors for those tests.
这些孩子有先修课教科书专门为了应付考试，还有考试复习书，辅导老师。
A significant part of the first semester is used to review and enhance concepts covered in AP Calculus AB.
第一学期的重点是复习并巩固在AP微积分AB中学到的概念。
A significant part of the first semester is used to review and enhance concepts covered in AP Calculus AB.
第一学期的重点是复习并巩固在AP微积分AB中学到的概念。
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