This passage mainly tells us about ________.
· language students’ problems istudy
· how to make the meaning of words stronger
· short-term and long-term memory
· how to improve ways to remember words

单选题
·they don’t use a proper way
·We will forget a word soon if it goes into short-term memory.
·works like a well-organized library
·Making sentences with the word.
· how to improve ways to remember words