超全英语有声书网站整理！用来提升托福雅思听力和口语！
英语有声书不仅可以提升自己的听力水平，由于部分有声书是由专业配音人员或演员进行录制，甚至可以进行模仿跟读，提升自己的口语能力！除了提升自己英语水平外，如果你是选择文史哲类书籍进行练习，这对你自身文...
IB DP Maths: AA HL复习笔记1.3.3 Geometric Sequences & Series
What is a geometric sequence? In a geometric sequence, there is a common ratio, r, between consecutive terms in the sequence For example, 2, 6, 18, 54, 162, … is a sequence with the rule ‘start at ...
IB DP Maths: AA HL复习笔记1.3.2 Arithmetic Sequences & Series
What is an arithmetic sequence? In an arithmetic sequence, the difference between consecutive terms in the sequence is constant This constant difference is known as the common difference, d, of th...
IB DP Maths: AA HL复习笔记1.3.1 Language of Sequences & Series
What is a sequence? A sequence is an ordered set of numbers with a rule for finding all of the numbers in the sequence For example 1, 3, 5, 7, 9, … is a sequence with the rule ‘start at one and add...
AQA A Level Physics复习笔记5.2.2 Resistance in a Thermistor
Temperature & Resistance All solids are made up of vibrating atoms The higher the temperature, the faster these atoms vibrate Electric current is the flow of free electrons in a m...
AQA A Level Physics复习笔记5.2.1 Resistivity
Resistivity All materials have some resistance to the flow of charge As free electrons move through a metal wire, they collide with ions which get in their way As a result, they transfer som...
IB DP Maths: AA HL复习笔记1.2.3 Solving Exponential Equations
What are exponential equations? An exponential equation is an equation where the unknown is a power In simple cases the solution can be spotted without the use of a calculator For example, In more ...
AQA A Level Physics复习笔记5.1.2 Current–Voltage Characteristics
Ohm's Law Ohm’s law states: For a conductor at a constant temperature, the current through it is proportional to the potential difference across it Constant temperature implies constant resi...
八大藤校托福成绩要求，托福100分离藤校还有多远的距离？
提起美国的顶尖名校，大家第一个想起的应该就是常春藤盟校（Ivy League）了。说起藤校，那可是让无数学生心驰神往的终极梦校！ 常春藤联盟全部由美国一流名校组成、也是美国产生罗德学者最多的高校联盟，那么常春...
AQA A Level Physics复习笔记5.1.1 Basics of Electricity
Electric Current & Potential Difference Electric Current Electric current is defined as the rate of flow of positive charge carriers It is measured in units of amperes (A) or amps ...
IB DP Maths: AA HL复习笔记1.2.2 Laws of Logarithms
What are the laws of logarithms? Laws of logarithms allow you to simplify and manipulate expressions involving logarithms The laws of logarithms are equivalent to the laws of indices These laws are...
AQA A Level Physics复习笔记4.8.2 Required Practical: The Young Modulus
Required Practical: The Young Modulus Aims of the Experiment The aim of the experiment is to measure the Young Modulus of a metal in the form of a wire This requires a clamped horizontal wir...
