As students，you should study hard.More importantly，you should study in a smart way.Try these methods below.
Spaced Repetition
   According to Ebbinghaus，you'll（1）

forget

forget

easily if you don't review in time.After you read your study material for the first time，you'd better come back to it 6 hours later，then 24 hours later，3 days later，7 days later or even 14 days later and above.Repeat it（2）

at

at

least 5 times，and you can almost remember everything.
Jim Kwik's Technique（方法）
   According to Jim Kwik，an expert on reading and the memory（記憶），the key to understanding your reading material is to ask question.You can put a line down the（3）

middle

middle

of a piece of paper.On the left，take notes of key information，while on the right，write down 3 kinds of questions -- how，when and why.Among the questions，the most important（4）

one

one

is how you can use the key information.Connect it with the knowledge you've（5）

already

already

known.And think about what real life problems you can solve by using it.This helps to keep the information in your mind.
The Feynman Technique
   Studies show students can understand what they've learned better when they（6）

teach

teach

someone else.The Feynman technique includes 4 basic steps.First，study.Second，teach what you've just learned to someone with zero knowledge of the subject in（7）

other

other

words.Third，find out which parts you can explain well and which parts you can't.Then go back to the book and try to understand the topic once again.Fourth，repeat the steps above（8）

until

until

you can explain the topic without looking at the book.