美国大学都需要GRE成绩吗？
美国大学都需要GRE成绩吗？近日，美国多所院校更新23fall的申请政策，宣布将GRE成绩恢复为申请必选项，更有院校明确提出接受GRE在家考的成绩。其中部分院校的官网还未发布最新的要求，可以参照上一申请季的要求。...
IB DP Maths: AI HL复习笔记5.6.1 Modelling with Differential Equations
Modelling with Differential Equations Why are differential equations used to model real-world situations? A differential equation is an equation that contains one or more derivatives Derivatives de...
IB DP Maths: AI HL复习笔记5.5.2 Calculus for Kinematics
Differentiation for Kinematics How is differentiation used in kinematics? Displacement, velocity and acceleration are related by calculus In terms of differentiation and derivatives Worked Example ...
IB DP Maths: AI HL复习笔记5.5.1 Kinematics Toolkit
Displacement, Velocity & Acceleration What is kinematics? Kinematics is the branch of mathematics that models and analyses the motion of objects Common words such as distance, speed and acceler...
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CB官方公布9-12年级热门AP科目，附AP热门科目2022考情分析
随着2023年AP考试时间的公布各个考区的报名也即将开始 面对AP琳琅满目的众多课程 你已经“心有所属”了吗？ 近日CB官方列出了不同年级热门报考科目 快来参考参考吧~ 9-12年级热门科目盘点 需要注意的是，官方也表明...
IB DP Maths: AI HL复习笔记5.4.4 Volumes of Revolution
Volumes of Revolution Around x-axis What is a volume of revolution around the x-axis? The volume of revolution is the volume of this solid Be careful – the ’front’ and ‘back’ of this solid are flat...
IB DP Maths: AI HL复习笔记5.4.3 Further Applications of Integration
Negative Integrals The area under a curve may appear fully or partially under the x-axisthis occurs if the negative area(s) is/are greater than the positive area(s), their sum will be negative How ...
中学生科研竞赛课题推荐，经验丰富科研导师一对一带教！
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