超全英語有聲書網(wǎng)站整理！用來提升托福雅思聽力和口語！
英語有聲書不僅可以提升自己的聽力水平，由于部分有聲書是由專業(yè)配音人員或演員進(jìn)行錄制，甚至可以進(jìn)行模仿跟讀，提升自己的口語能力！除了提升自己英語水平外，如果你是選擇文史哲類書籍進(jìn)行練習(xí)，這對你自身文...
IB DP Maths: AA HL復(fù)習(xí)筆記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復(fù)習(xí)筆記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復(fù)習(xí)筆記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復(fù)習(xí)筆記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復(fù)習(xí)筆記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復(fù)習(xí)筆記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復(fù)習(xí)筆記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...
八大藤校托福成績要求，托福100分離藤校還有多遠(yuǎn)的距離？
提起美國的頂尖名校，大家第一個想起的應(yīng)該就是常春藤盟校（Ivy League）了。說起藤校，那可是讓無數(shù)學(xué)生心馳神往的終極夢校！ 常春藤聯(lián)盟全部由美國一流名校組成、也是美國產(chǎn)生羅德學(xué)者最多的高校聯(lián)盟，那么常春...
AQA A Level Physics復(fù)習(xí)筆記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復(fù)習(xí)筆記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復(fù)習(xí)筆記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...
