超全英語有聲書網站整理!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配音人員或演員進行錄制,甚至可以進行模仿跟讀,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行練習,這對你自身文...
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配音人員或演員進行錄制,甚至可以進行模仿跟讀,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行練習,這對你自身文...
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 ...
?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...
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...
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...
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...
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 ...
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...
提起美國的頂尖名校,大家第一個想起的應該就是常春藤盟校(Ivy League)了。說起藤校,那可是讓無數學生心馳神往的終極夢校! 常春藤聯盟全部由美國一流名校組成、也是美國產生羅德學者最多的高校聯盟,那么常春...
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